Home / 89,424,233.60-134,136,350.40-31,918,380.80

Finding the Fourth Proportional to 89,424,233.60, 134,136,350.40 and 31,918,380.80

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Solution

The fourth proportional to 89,424,233.60, 134,136,350.40 and 31,918,380.80 is: 47,877,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,424,233.60 : 134,136,350.40 = 31,918,380.80 : x
  2. Step 2: Convert to fraction form
    89,424,233.60/134,136,350.40 = 31,918,380.80/x
  3. Step 3: Cross multiply
    89,424,233.60x = 134,136,350.40 × 31,918,380.80
  4. Step 4: Simplify right side
    89,424,233.60x = 4,281,415,111,189,432.50
  5. Step 5: Solve for x
    x = 4,281,415,111,189,432.50/89,424,233.60
  6. Step 6: Final answer
    x = 47,877,571.20

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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.