Home / 94,795,280.80-142,192,921.20-89,756,432.80

Finding the Fourth Proportional to 94,795,280.80, 142,192,921.20 and 89,756,432.80

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Solution

The fourth proportional to 94,795,280.80, 142,192,921.20 and 89,756,432.80 is: 134,634,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,795,280.80 : 142,192,921.20 = 89,756,432.80 : x
  2. Step 2: Convert to fraction form
    94,795,280.80/142,192,921.20 = 89,756,432.80/x
  3. Step 3: Cross multiply
    94,795,280.80x = 142,192,921.20 × 89,756,432.80
  4. Step 4: Simplify right side
    94,795,280.80x = 12,762,729,376,323,494
  5. Step 5: Solve for x
    x = 12,762,729,376,323,494/94,795,280.80
  6. Step 6: Final answer
    x = 134,634,649.20

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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.