Home / 67,828,975.40-101,743,463.10-42,000,942.80

Finding the Fourth Proportional to 67,828,975.40, 101,743,463.10 and 42,000,942.80

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Solution

The fourth proportional to 67,828,975.40, 101,743,463.10 and 42,000,942.80 is: 63,001,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,828,975.40 : 101,743,463.10 = 42,000,942.80 : x
  2. Step 2: Convert to fraction form
    67,828,975.40/101,743,463.10 = 42,000,942.80/x
  3. Step 3: Cross multiply
    67,828,975.40x = 101,743,463.10 × 42,000,942.80
  4. Step 4: Simplify right side
    67,828,975.40x = 4,273,321,373,937,010
  5. Step 5: Solve for x
    x = 4,273,321,373,937,010/67,828,975.40
  6. Step 6: Final answer
    x = 63,001,414.20

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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.