Home / 55,487,999.40-83,231,999.10-28,614,143.40

Finding the Fourth Proportional to 55,487,999.40, 83,231,999.10 and 28,614,143.40

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Solution

The fourth proportional to 55,487,999.40, 83,231,999.10 and 28,614,143.40 is: 42,921,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487,999.40 : 83,231,999.10 = 28,614,143.40 : x
  2. Step 2: Convert to fraction form
    55,487,999.40/83,231,999.10 = 28,614,143.40/x
  3. Step 3: Cross multiply
    55,487,999.40x = 83,231,999.10 × 28,614,143.40
  4. Step 4: Simplify right side
    55,487,999.40x = 2,381,612,357,716,070.50
  5. Step 5: Solve for x
    x = 2,381,612,357,716,070.50/55,487,999.40
  6. Step 6: Final answer
    x = 42,921,215.10

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Similar ratio
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1.5x scale

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.