Home / 98,905,901.32-136,514,947.25-67,169,769.10

Finding the Fourth Proportional to 98,905,901.32, 136,514,947.25 and 67,169,769.10

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Solution

The fourth proportional to 98,905,901.32, 136,514,947.25 and 67,169,769.10 is: 92,711,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905,901.32 : 136,514,947.25 = 67,169,769.10 : x
  2. Step 2: Convert to fraction form
    98,905,901.32/136,514,947.25 = 67,169,769.10/x
  3. Step 3: Cross multiply
    98,905,901.32x = 136,514,947.25 × 67,169,769.10
  4. Step 4: Simplify right side
    98,905,901.32x = 9,169,677,485,307,816
  5. Step 5: Solve for x
    x = 9,169,677,485,307,816/98,905,901.32
  6. Step 6: Final answer
    x = 92,711,126.06

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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.