Home / 65,250,073.39-90,023,065.13-36,989,416.54

Finding the Fourth Proportional to 65,250,073.39, 90,023,065.13 and 36,989,416.54

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Solution

The fourth proportional to 65,250,073.39, 90,023,065.13 and 36,989,416.54 is: 51,032,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250,073.39 : 90,023,065.13 = 36,989,416.54 : x
  2. Step 2: Convert to fraction form
    65,250,073.39/90,023,065.13 = 36,989,416.54/x
  3. Step 3: Cross multiply
    65,250,073.39x = 90,023,065.13 × 36,989,416.54
  4. Step 4: Simplify right side
    65,250,073.39x = 3,329,900,654,301,119
  5. Step 5: Solve for x
    x = 3,329,900,654,301,119/65,250,073.39
  6. Step 6: Final answer
    x = 51,032,902.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.