Home / 52,145,139.39-78,220,698.17-13,805,657.25

Finding the Fourth Proportional to 52,145,139.39, 78,220,698.17 and 13,805,657.25

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Solution

The fourth proportional to 52,145,139.39, 78,220,698.17 and 13,805,657.25 is: 20,709,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145,139.39 : 78,220,698.17 = 13,805,657.25 : x
  2. Step 2: Convert to fraction form
    52,145,139.39/78,220,698.17 = 13,805,657.25/x
  3. Step 3: Cross multiply
    52,145,139.39x = 78,220,698.17 × 13,805,657.25
  4. Step 4: Simplify right side
    52,145,139.39x = 1,079,888,148,721,694
  5. Step 5: Solve for x
    x = 1,079,888,148,721,694/52,145,139.39
  6. Step 6: Final answer
    x = 20,709,277.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.