Home / 67,146,803.10-100,745,087.85-21,710,079.90

Finding the Fourth Proportional to 67,146,803.10, 100,745,087.85 and 21,710,079.90

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Solution

The fourth proportional to 67,146,803.10, 100,745,087.85 and 21,710,079.90 is: 32,573,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,146,803.10 : 100,745,087.85 = 21,710,079.90 : x
  2. Step 2: Convert to fraction form
    67,146,803.10/100,745,087.85 = 21,710,079.90/x
  3. Step 3: Cross multiply
    67,146,803.10x = 100,745,087.85 × 21,710,079.90
  4. Step 4: Simplify right side
    67,146,803.10x = 2,187,183,906,756,019
  5. Step 5: Solve for x
    x = 2,187,183,906,756,019/67,146,803.10
  6. Step 6: Final answer
    x = 32,573,165.15

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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.