Home / 102,729,308-141,766,410.84-56,318,566.16

Finding the Fourth Proportional to 102,729,308, 141,766,410.84 and 56,318,566.16

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Solution

The fourth proportional to 102,729,308, 141,766,410.84 and 56,318,566.16 is: 77,719,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,729,308 : 141,766,410.84 = 56,318,566.16 : x
  2. Step 2: Convert to fraction form
    102,729,308/141,766,410.84 = 56,318,566.16/x
  3. Step 3: Cross multiply
    102,729,308x = 141,766,410.84 × 56,318,566.16
  4. Step 4: Simplify right side
    102,729,308x = 7,984,080,988,158,281
  5. Step 5: Solve for x
    x = 7,984,080,988,158,281/102,729,308
  6. Step 6: Final answer
    x = 77,719,602.55

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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.