Home / 74,728,134,447.82-103,124,758,384.50-42,182,200,158.32

Finding the Fourth Proportional to 74,728,134,447.82, 103,124,758,384.50 and 42,182,200,158.32

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Solution

The fourth proportional to 74,728,134,447.82, 103,124,758,384.50 and 42,182,200,158.32 is: 58,211,398,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,728,134,447.82 : 103,124,758,384.50 = 42,182,200,158.32 : x
  2. Step 2: Convert to fraction form
    74,728,134,447.82/103,124,758,384.50 = 42,182,200,158.32/x
  3. Step 3: Cross multiply
    74,728,134,447.82x = 103,124,758,384.50 × 42,182,200,158.32
  4. Step 4: Simplify right side
    74,728,134,447.82x = 4,350,029,199,452,955,213,824
  5. Step 5: Solve for x
    x = 4,350,029,199,452,955,213,824/74,728,134,447.82
  6. Step 6: Final answer
    x = 58,211,398,311.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.