Home / 124,346,905.47-186,520,708.13-47,693,430.27

Finding the Fourth Proportional to 124,346,905.47, 186,520,708.13 and 47,693,430.27

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Solution

The fourth proportional to 124,346,905.47, 186,520,708.13 and 47,693,430.27 is: 71,540,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,346,905.47 : 186,520,708.13 = 47,693,430.27 : x
  2. Step 2: Convert to fraction form
    124,346,905.47/186,520,708.13 = 47,693,430.27/x
  3. Step 3: Cross multiply
    124,346,905.47x = 186,520,708.13 × 47,693,430.27
  4. Step 4: Simplify right side
    124,346,905.47x = 8,895,812,386,870,711
  5. Step 5: Solve for x
    x = 8,895,812,386,870,711/124,346,905.47
  6. Step 6: Final answer
    x = 71,540,279.62

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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.