Home / 145,437,657.60-218,156,486.40-132,045,344.40

Finding the Fourth Proportional to 145,437,657.60, 218,156,486.40 and 132,045,344.40

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Solution

The fourth proportional to 145,437,657.60, 218,156,486.40 and 132,045,344.40 is: 198,068,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,437,657.60 : 218,156,486.40 = 132,045,344.40 : x
  2. Step 2: Convert to fraction form
    145,437,657.60/218,156,486.40 = 132,045,344.40/x
  3. Step 3: Cross multiply
    145,437,657.60x = 218,156,486.40 × 132,045,344.40
  4. Step 4: Simplify right side
    145,437,657.60x = 28,806,548,379,781,920
  5. Step 5: Solve for x
    x = 28,806,548,379,781,920/145,437,657.60
  6. Step 6: Final answer
    x = 198,068,016.60

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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.