Home / 127,680,038.60-191,520,057.90-125,664,499.40

Finding the Fourth Proportional to 127,680,038.60, 191,520,057.90 and 125,664,499.40

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Solution

The fourth proportional to 127,680,038.60, 191,520,057.90 and 125,664,499.40 is: 188,496,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,680,038.60 : 191,520,057.90 = 125,664,499.40 : x
  2. Step 2: Convert to fraction form
    127,680,038.60/191,520,057.90 = 125,664,499.40/x
  3. Step 3: Cross multiply
    127,680,038.60x = 191,520,057.90 × 125,664,499.40
  4. Step 4: Simplify right side
    127,680,038.60x = 24,067,272,201,062,516
  5. Step 5: Solve for x
    x = 24,067,272,201,062,516/127,680,038.60
  6. Step 6: Final answer
    x = 188,496,749.10

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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.