Home / 65,998,538-99,000,489.96-31,437,172.88

Finding the Fourth Proportional to 65,998,538, 99,000,489.96 and 31,437,172.88

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Solution

The fourth proportional to 65,998,538, 99,000,489.96 and 31,437,172.88 is: 47,157,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,998,538 : 99,000,489.96 = 31,437,172.88 : x
  2. Step 2: Convert to fraction form
    65,998,538/99,000,489.96 = 31,437,172.88/x
  3. Step 3: Cross multiply
    65,998,538x = 99,000,489.96 × 31,437,172.88
  4. Step 4: Simplify right side
    65,998,538x = 3,112,295,518,077,224
  5. Step 5: Solve for x
    x = 3,112,295,518,077,224/65,998,538
  6. Step 6: Final answer
    x = 47,157,037.30

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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.