Home / 63,187,254.87-87,172,444.35-38,403,449.16

Finding the Fourth Proportional to 63,187,254.87, 87,172,444.35 and 38,403,449.16

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Solution

The fourth proportional to 63,187,254.87, 87,172,444.35 and 38,403,449.16 is: 52,980,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,187,254.87 : 87,172,444.35 = 38,403,449.16 : x
  2. Step 2: Convert to fraction form
    63,187,254.87/87,172,444.35 = 38,403,449.16/x
  3. Step 3: Cross multiply
    63,187,254.87x = 87,172,444.35 × 38,403,449.16
  4. Step 4: Simplify right side
    63,187,254.87x = 3,347,722,534,748,153.50
  5. Step 5: Solve for x
    x = 3,347,722,534,748,153.50/63,187,254.87
  6. Step 6: Final answer
    x = 52,980,977.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.