Home / 129,016,822.20-193,525,233.30-38,140,411.20

Finding the Fourth Proportional to 129,016,822.20, 193,525,233.30 and 38,140,411.20

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Solution

The fourth proportional to 129,016,822.20, 193,525,233.30 and 38,140,411.20 is: 57,210,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,016,822.20 : 193,525,233.30 = 38,140,411.20 : x
  2. Step 2: Convert to fraction form
    129,016,822.20/193,525,233.30 = 38,140,411.20/x
  3. Step 3: Cross multiply
    129,016,822.20x = 193,525,233.30 × 38,140,411.20
  4. Step 4: Simplify right side
    129,016,822.20x = 7,381,131,975,637,934
  5. Step 5: Solve for x
    x = 7,381,131,975,637,934/129,016,822.20
  6. Step 6: Final answer
    x = 57,210,616.80

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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.