Home / 69,917,081.15-96,487,901.25-38,128,985.13

Finding the Fourth Proportional to 69,917,081.15, 96,487,901.25 and 38,128,985.13

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Solution

The fourth proportional to 69,917,081.15, 96,487,901.25 and 38,128,985.13 is: 52,619,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917,081.15 : 96,487,901.25 = 38,128,985.13 : x
  2. Step 2: Convert to fraction form
    69,917,081.15/96,487,901.25 = 38,128,985.13/x
  3. Step 3: Cross multiply
    69,917,081.15x = 96,487,901.25 × 38,128,985.13
  4. Step 4: Simplify right side
    69,917,081.15x = 3,678,985,751,986,158.50
  5. Step 5: Solve for x
    x = 3,678,985,751,986,158.50/69,917,081.15
  6. Step 6: Final answer
    x = 52,619,269.74

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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.