Home / 156,442,432.60-234,663,648.90-91,777,216.60

Finding the Fourth Proportional to 156,442,432.60, 234,663,648.90 and 91,777,216.60

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Solution

The fourth proportional to 156,442,432.60, 234,663,648.90 and 91,777,216.60 is: 137,665,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,442,432.60 : 234,663,648.90 = 91,777,216.60 : x
  2. Step 2: Convert to fraction form
    156,442,432.60/234,663,648.90 = 91,777,216.60/x
  3. Step 3: Cross multiply
    156,442,432.60x = 234,663,648.90 × 91,777,216.60
  4. Step 4: Simplify right side
    156,442,432.60x = 21,536,776,533,241,652
  5. Step 5: Solve for x
    x = 21,536,776,533,241,652/156,442,432.60
  6. Step 6: Final answer
    x = 137,665,824.90

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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.