Home / 86,016,006.40-129,024,009.60-48,188,627.20

Finding the Fourth Proportional to 86,016,006.40, 129,024,009.60 and 48,188,627.20

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Solution

The fourth proportional to 86,016,006.40, 129,024,009.60 and 48,188,627.20 is: 72,282,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,006.40 : 129,024,009.60 = 48,188,627.20 : x
  2. Step 2: Convert to fraction form
    86,016,006.40/129,024,009.60 = 48,188,627.20/x
  3. Step 3: Cross multiply
    86,016,006.40x = 129,024,009.60 × 48,188,627.20
  4. Step 4: Simplify right side
    86,016,006.40x = 6,217,489,898,463,621
  5. Step 5: Solve for x
    x = 6,217,489,898,463,621/86,016,006.40
  6. Step 6: Final answer
    x = 72,282,940.80

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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.