Home / 118,897,345.26-164,078,917.65-66,689,171.10

Finding the Fourth Proportional to 118,897,345.26, 164,078,917.65 and 66,689,171.10

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Solution

The fourth proportional to 118,897,345.26, 164,078,917.65 and 66,689,171.10 is: 92,031,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,897,345.26 : 164,078,917.65 = 66,689,171.10 : x
  2. Step 2: Convert to fraction form
    118,897,345.26/164,078,917.65 = 66,689,171.10/x
  3. Step 3: Cross multiply
    118,897,345.26x = 164,078,917.65 × 66,689,171.10
  4. Step 4: Simplify right side
    118,897,345.26x = 10,942,287,013,063,660
  5. Step 5: Solve for x
    x = 10,942,287,013,063,660/118,897,345.26
  6. Step 6: Final answer
    x = 92,031,382.11

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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.