Home / 156,687,415.20-235,068,447.60-75,841,898.40

Finding the Fourth Proportional to 156,687,415.20, 235,068,447.60 and 75,841,898.40

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Solution

The fourth proportional to 156,687,415.20, 235,068,447.60 and 75,841,898.40 is: 113,780,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,687,415.20 : 235,068,447.60 = 75,841,898.40 : x
  2. Step 2: Convert to fraction form
    156,687,415.20/235,068,447.60 = 75,841,898.40/x
  3. Step 3: Cross multiply
    156,687,415.20x = 235,068,447.60 × 75,841,898.40
  4. Step 4: Simplify right side
    156,687,415.20x = 17,828,037,319,924,924
  5. Step 5: Solve for x
    x = 17,828,037,319,924,924/156,687,415.20
  6. Step 6: Final answer
    x = 113,780,914.04

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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.