Home / 73,872,000.70-110,808,001.05-69,903,907.90

Finding the Fourth Proportional to 73,872,000.70, 110,808,001.05 and 69,903,907.90

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Solution

The fourth proportional to 73,872,000.70, 110,808,001.05 and 69,903,907.90 is: 104,855,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,000.70 : 110,808,001.05 = 69,903,907.90 : x
  2. Step 2: Convert to fraction form
    73,872,000.70/110,808,001.05 = 69,903,907.90/x
  3. Step 3: Cross multiply
    73,872,000.70x = 110,808,001.05 × 69,903,907.90
  4. Step 4: Simplify right side
    73,872,000.70x = 7,745,912,299,982,304
  5. Step 5: Solve for x
    x = 7,745,912,299,982,304/73,872,000.70
  6. Step 6: Final answer
    x = 104,855,861.85

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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.