Home / 140,454,016.20-210,681,024.30-75,724,502.40

Finding the Fourth Proportional to 140,454,016.20, 210,681,024.30 and 75,724,502.40

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Solution

The fourth proportional to 140,454,016.20, 210,681,024.30 and 75,724,502.40 is: 113,586,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454,016.20 : 210,681,024.30 = 75,724,502.40 : x
  2. Step 2: Convert to fraction form
    140,454,016.20/210,681,024.30 = 75,724,502.40/x
  3. Step 3: Cross multiply
    140,454,016.20x = 210,681,024.30 × 75,724,502.40
  4. Step 4: Simplify right side
    140,454,016.20x = 15,953,715,730,239,810
  5. Step 5: Solve for x
    x = 15,953,715,730,239,810/140,454,016.20
  6. Step 6: Final answer
    x = 113,586,753.60

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1.5x scale

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.