Home / 56,850,580.90-78,454,036.59-30,745,098.19

Finding the Fourth Proportional to 56,850,580.90, 78,454,036.59 and 30,745,098.19

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Solution

The fourth proportional to 56,850,580.90, 78,454,036.59 and 30,745,098.19 is: 42,428,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,580.90 : 78,454,036.59 = 30,745,098.19 : x
  2. Step 2: Convert to fraction form
    56,850,580.90/78,454,036.59 = 30,745,098.19/x
  3. Step 3: Cross multiply
    56,850,580.90x = 78,454,036.59 × 30,745,098.19
  4. Step 4: Simplify right side
    56,850,580.90x = 2,412,077,057,969,132.50
  5. Step 5: Solve for x
    x = 2,412,077,057,969,132.50/56,850,580.90
  6. Step 6: Final answer
    x = 42,428,362.56

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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.