Home / 131,472,019.60-197,208,029.40-71,005,843.60

Finding the Fourth Proportional to 131,472,019.60, 197,208,029.40 and 71,005,843.60

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Solution

The fourth proportional to 131,472,019.60, 197,208,029.40 and 71,005,843.60 is: 106,508,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,472,019.60 : 197,208,029.40 = 71,005,843.60 : x
  2. Step 2: Convert to fraction form
    131,472,019.60/197,208,029.40 = 71,005,843.60/x
  3. Step 3: Cross multiply
    131,472,019.60x = 197,208,029.40 × 71,005,843.60
  4. Step 4: Simplify right side
    131,472,019.60x = 14,002,922,492,240,602
  5. Step 5: Solve for x
    x = 14,002,922,492,240,602/131,472,019.60
  6. Step 6: Final answer
    x = 106,508,765.40

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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.