Home / 103,514,139.70-155,139,333.45-55,015,227.70

Finding the Fourth Proportional to 103,514,139.70, 155,139,333.45 and 55,015,227.70

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Solution

The fourth proportional to 103,514,139.70, 155,139,333.45 and 55,015,227.70 is: 82,452,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,514,139.70 : 155,139,333.45 = 55,015,227.70 : x
  2. Step 2: Convert to fraction form
    103,514,139.70/155,139,333.45 = 55,015,227.70/x
  3. Step 3: Cross multiply
    103,514,139.70x = 155,139,333.45 × 55,015,227.70
  4. Step 4: Simplify right side
    103,514,139.70x = 8,535,025,754,977,976
  5. Step 5: Solve for x
    x = 8,535,025,754,977,976/103,514,139.70
  6. Step 6: Final answer
    x = 82,452,752.64

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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.