Home / 145,579,895,995.30-218,369,843,992.95-119,131,990,612.90

Finding the Fourth Proportional to 145,579,895,995.30, 218,369,843,992.95 and 119,131,990,612.90

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Solution

The fourth proportional to 145,579,895,995.30, 218,369,843,992.95 and 119,131,990,612.90 is: 178,697,985,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,579,895,995.30 : 218,369,843,992.95 = 119,131,990,612.90 : x
  2. Step 2: Convert to fraction form
    145,579,895,995.30/218,369,843,992.95 = 119,131,990,612.90/x
  3. Step 3: Cross multiply
    145,579,895,995.30x = 218,369,843,992.95 × 119,131,990,612.90
  4. Step 4: Simplify right side
    145,579,895,995.30x = 26,014,834,204,708,557,553,664
  5. Step 5: Solve for x
    x = 26,014,834,204,708,557,553,664/145,579,895,995.30
  6. Step 6: Final answer
    x = 178,697,985,919.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.