Home / 102,729,322-141,766,430.16-56,318,580.16

Finding the Fourth Proportional to 102,729,322, 141,766,430.16 and 56,318,580.16

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Solution

The fourth proportional to 102,729,322, 141,766,430.16 and 56,318,580.16 is: 77,719,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,729,322 : 141,766,430.16 = 56,318,580.16 : x
  2. Step 2: Convert to fraction form
    102,729,322/141,766,430.16 = 56,318,580.16/x
  3. Step 3: Cross multiply
    102,729,322x = 141,766,430.16 × 56,318,580.16
  4. Step 4: Simplify right side
    102,729,322x = 7,984,084,060,963,001
  5. Step 5: Solve for x
    x = 7,984,084,060,963,001/102,729,322
  6. Step 6: Final answer
    x = 77,719,621.87

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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.