Home / 149,490,078.60-224,235,117.90-81,465,630.60

Finding the Fourth Proportional to 149,490,078.60, 224,235,117.90 and 81,465,630.60

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Solution

The fourth proportional to 149,490,078.60, 224,235,117.90 and 81,465,630.60 is: 122,198,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490,078.60 : 224,235,117.90 = 81,465,630.60 : x
  2. Step 2: Convert to fraction form
    149,490,078.60/224,235,117.90 = 81,465,630.60/x
  3. Step 3: Cross multiply
    149,490,078.60x = 224,235,117.90 × 81,465,630.60
  4. Step 4: Simplify right side
    149,490,078.60x = 18,267,455,282,388,848
  5. Step 5: Solve for x
    x = 18,267,455,282,388,848/149,490,078.60
  6. Step 6: Final answer
    x = 122,198,445.90

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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.