Home / 124,761,873.60-187,125,095.70-42,884,530.20

Finding the Fourth Proportional to 124,761,873.60, 187,125,095.70 and 42,884,530.20

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Solution

The fourth proportional to 124,761,873.60, 187,125,095.70 and 42,884,530.20 is: 64,320,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761,873.60 : 187,125,095.70 = 42,884,530.20 : x
  2. Step 2: Convert to fraction form
    124,761,873.60/187,125,095.70 = 42,884,530.20/x
  3. Step 3: Cross multiply
    124,761,873.60x = 187,125,095.70 × 42,884,530.20
  4. Step 4: Simplify right side
    124,761,873.60x = 8,024,771,817,724,540
  5. Step 5: Solve for x
    x = 8,024,771,817,724,540/124,761,873.60
  6. Step 6: Final answer
    x = 64,320,706.21

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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.