Home / 65,998,539-99,000,491.46-31,437,173.88

Finding the Fourth Proportional to 65,998,539, 99,000,491.46 and 31,437,173.88

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Solution

The fourth proportional to 65,998,539, 99,000,491.46 and 31,437,173.88 is: 47,157,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,998,539 : 99,000,491.46 = 31,437,173.88 : x
  2. Step 2: Convert to fraction form
    65,998,539/99,000,491.46 = 31,437,173.88/x
  3. Step 3: Cross multiply
    65,998,539x = 99,000,491.46 × 31,437,173.88
  4. Step 4: Simplify right side
    65,998,539x = 3,112,295,664,233,475
  5. Step 5: Solve for x
    x = 3,112,295,664,233,475/65,998,539
  6. Step 6: Final answer
    x = 47,157,038.80

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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.