Home / 50,687,150.76-75,906,720.47-45,774,275.78

Finding the Fourth Proportional to 50,687,150.76, 75,906,720.47 and 45,774,275.78

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Solution

The fourth proportional to 50,687,150.76, 75,906,720.47 and 45,774,275.78 is: 68,549,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687,150.76 : 75,906,720.47 = 45,774,275.78 : x
  2. Step 2: Convert to fraction form
    50,687,150.76/75,906,720.47 = 45,774,275.78/x
  3. Step 3: Cross multiply
    50,687,150.76x = 75,906,720.47 × 45,774,275.78
  4. Step 4: Simplify right side
    50,687,150.76x = 3,474,575,156,653,353.50
  5. Step 5: Solve for x
    x = 3,474,575,156,653,353.50/50,687,150.76
  6. Step 6: Final answer
    x = 68,549,427.31

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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.