Home / 77,338,276.96-106,724,694-42,530,967.04

Finding the Fourth Proportional to 77,338,276.96, 106,724,694 and 42,530,967.04

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Solution

The fourth proportional to 77,338,276.96, 106,724,694 and 42,530,967.04 is: 58,691,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338,276.96 : 106,724,694 = 42,530,967.04 : x
  2. Step 2: Convert to fraction form
    77,338,276.96/106,724,694 = 42,530,967.04/x
  3. Step 3: Cross multiply
    77,338,276.96x = 106,724,694 × 42,530,967.04
  4. Step 4: Simplify right side
    77,338,276.96x = 4,539,104,442,868,086
  5. Step 5: Solve for x
    x = 4,539,104,442,868,086/77,338,276.96
  6. Step 6: Final answer
    x = 58,691,564.14

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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.