Home / 156,687,173.70-235,068,085.35-75,841,656.90

Finding the Fourth Proportional to 156,687,173.70, 235,068,085.35 and 75,841,656.90

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Solution

The fourth proportional to 156,687,173.70, 235,068,085.35 and 75,841,656.90 is: 113,780,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,687,173.70 : 235,068,085.35 = 75,841,656.90 : x
  2. Step 2: Convert to fraction form
    156,687,173.70/235,068,085.35 = 75,841,656.90/x
  3. Step 3: Cross multiply
    156,687,173.70x = 235,068,085.35 × 75,841,656.90
  4. Step 4: Simplify right side
    156,687,173.70x = 17,827,953,077,254,618
  5. Step 5: Solve for x
    x = 17,827,953,077,254,618/156,687,173.70
  6. Step 6: Final answer
    x = 113,780,551.76

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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.