Home / 156,915,170.60-235,372,755.90-49,209,621.80

Finding the Fourth Proportional to 156,915,170.60, 235,372,755.90 and 49,209,621.80

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Solution

The fourth proportional to 156,915,170.60, 235,372,755.90 and 49,209,621.80 is: 73,814,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915,170.60 : 235,372,755.90 = 49,209,621.80 : x
  2. Step 2: Convert to fraction form
    156,915,170.60/235,372,755.90 = 49,209,621.80/x
  3. Step 3: Cross multiply
    156,915,170.60x = 235,372,755.90 × 49,209,621.80
  4. Step 4: Simplify right side
    156,915,170.60x = 11,582,604,299,862,718
  5. Step 5: Solve for x
    x = 11,582,604,299,862,718/156,915,170.60
  6. Step 6: Final answer
    x = 73,814,432.70

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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.