Home / 156,856,800.60-235,253,708.10-74,975,520.60

Finding the Fourth Proportional to 156,856,800.60, 235,253,708.10 and 74,975,520.60

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Solution

The fourth proportional to 156,856,800.60, 235,253,708.10 and 74,975,520.60 is: 112,448,227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,856,800.60 : 235,253,708.10 = 74,975,520.60 : x
  2. Step 2: Convert to fraction form
    156,856,800.60/235,253,708.10 = 74,975,520.60/x
  3. Step 3: Cross multiply
    156,856,800.60x = 235,253,708.10 × 74,975,520.60
  4. Step 4: Simplify right side
    156,856,800.60x = 17,638,269,237,877,936
  5. Step 5: Solve for x
    x = 17,638,269,237,877,936/156,856,800.60
  6. Step 6: Final answer
    x = 112,448,227.75

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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.