Home / 156,442,431.60-234,663,647.40-91,777,215.60

Finding the Fourth Proportional to 156,442,431.60, 234,663,647.40 and 91,777,215.60

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Solution

The fourth proportional to 156,442,431.60, 234,663,647.40 and 91,777,215.60 is: 137,665,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,442,431.60 : 234,663,647.40 = 91,777,215.60 : x
  2. Step 2: Convert to fraction form
    156,442,431.60/234,663,647.40 = 91,777,215.60/x
  3. Step 3: Cross multiply
    156,442,431.60x = 234,663,647.40 × 91,777,215.60
  4. Step 4: Simplify right side
    156,442,431.60x = 21,536,776,160,912,180
  5. Step 5: Solve for x
    x = 21,536,776,160,912,180/156,442,431.60
  6. Step 6: Final answer
    x = 137,665,823.40

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1.5x scale

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.