Home / 56,693,624.64-78,195,428.01-42,755,566.43

Finding the Fourth Proportional to 56,693,624.64, 78,195,428.01 and 42,755,566.43

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Solution

The fourth proportional to 56,693,624.64, 78,195,428.01 and 42,755,566.43 is: 58,971,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693,624.64 : 78,195,428.01 = 42,755,566.43 : x
  2. Step 2: Convert to fraction form
    56,693,624.64/78,195,428.01 = 42,755,566.43/x
  3. Step 3: Cross multiply
    56,693,624.64x = 78,195,428.01 × 42,755,566.43
  4. Step 4: Simplify right side
    56,693,624.64x = 3,343,289,816,729,070
  5. Step 5: Solve for x
    x = 3,343,289,816,729,070/56,693,624.64
  6. Step 6: Final answer
    x = 58,971,177.77

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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.