Home / 91,273,164.22-136,818,404.56-45,248,712.87

Finding the Fourth Proportional to 91,273,164.22, 136,818,404.56 and 45,248,712.87

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Solution

The fourth proportional to 91,273,164.22, 136,818,404.56 and 45,248,712.87 is: 67,827,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,273,164.22 : 136,818,404.56 = 45,248,712.87 : x
  2. Step 2: Convert to fraction form
    91,273,164.22/136,818,404.56 = 45,248,712.87/x
  3. Step 3: Cross multiply
    91,273,164.22x = 136,818,404.56 × 45,248,712.87
  4. Step 4: Simplify right side
    91,273,164.22x = 6,190,856,702,812,215
  5. Step 5: Solve for x
    x = 6,190,856,702,812,215/91,273,164.22
  6. Step 6: Final answer
    x = 67,827,786.57

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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.