Home / 65,998,537-99,000,488.46-31,437,171.88

Finding the Fourth Proportional to 65,998,537, 99,000,488.46 and 31,437,171.88

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Solution

The fourth proportional to 65,998,537, 99,000,488.46 and 31,437,171.88 is: 47,157,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,998,537 : 99,000,488.46 = 31,437,171.88 : x
  2. Step 2: Convert to fraction form
    65,998,537/99,000,488.46 = 31,437,171.88/x
  3. Step 3: Cross multiply
    65,998,537x = 99,000,488.46 × 31,437,171.88
  4. Step 4: Simplify right side
    65,998,537x = 3,112,295,371,920,976
  5. Step 5: Solve for x
    x = 3,112,295,371,920,976/65,998,537
  6. Step 6: Final answer
    x = 47,157,035.80

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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.