Home / 145,627,635.20-218,441,452.80-88,483,366.40

Finding the Fourth Proportional to 145,627,635.20, 218,441,452.80 and 88,483,366.40

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Solution

The fourth proportional to 145,627,635.20, 218,441,452.80 and 88,483,366.40 is: 132,725,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,635.20 : 218,441,452.80 = 88,483,366.40 : x
  2. Step 2: Convert to fraction form
    145,627,635.20/218,441,452.80 = 88,483,366.40/x
  3. Step 3: Cross multiply
    145,627,635.20x = 218,441,452.80 × 88,483,366.40
  4. Step 4: Simplify right side
    145,627,635.20x = 19,328,435,105,050,708
  5. Step 5: Solve for x
    x = 19,328,435,105,050,708/145,627,635.20
  6. Step 6: Final answer
    x = 132,725,049.60

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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.