Home / 138,744,501.20-208,048,650.50-68,633,724.23

Finding the Fourth Proportional to 138,744,501.20, 208,048,650.50 and 68,633,724.23

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Solution

The fourth proportional to 138,744,501.20, 208,048,650.50 and 68,633,724.23 is: 102,916,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,744,501.20 : 208,048,650.50 = 68,633,724.23 : x
  2. Step 2: Convert to fraction form
    138,744,501.20/208,048,650.50 = 68,633,724.23/x
  3. Step 3: Cross multiply
    138,744,501.20x = 208,048,650.50 × 68,633,724.23
  4. Step 4: Simplify right side
    138,744,501.20x = 14,279,153,704,840,652
  5. Step 5: Solve for x
    x = 14,279,153,704,840,652/138,744,501.20
  6. Step 6: Final answer
    x = 102,916,898.19

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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.