Home / 52,145,141.39-78,220,701.17-13,805,659.25

Finding the Fourth Proportional to 52,145,141.39, 78,220,701.17 and 13,805,659.25

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Solution

The fourth proportional to 52,145,141.39, 78,220,701.17 and 13,805,659.25 is: 20,709,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145,141.39 : 78,220,701.17 = 13,805,659.25 : x
  2. Step 2: Convert to fraction form
    52,145,141.39/78,220,701.17 = 13,805,659.25/x
  3. Step 3: Cross multiply
    52,145,141.39x = 78,220,701.17 × 13,805,659.25
  4. Step 4: Simplify right side
    52,145,141.39x = 1,079,888,346,580,068.12
  5. Step 5: Solve for x
    x = 1,079,888,346,580,068.12/52,145,141.39
  6. Step 6: Final answer
    x = 20,709,280.25

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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.