Home / 84,218,442.04-126,339,712.62-25,931,051.02

Finding the Fourth Proportional to 84,218,442.04, 126,339,712.62 and 25,931,051.02

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Solution

The fourth proportional to 84,218,442.04, 126,339,712.62 and 25,931,051.02 is: 38,900,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218,442.04 : 126,339,712.62 = 25,931,051.02 : x
  2. Step 2: Convert to fraction form
    84,218,442.04/126,339,712.62 = 25,931,051.02/x
  3. Step 3: Cross multiply
    84,218,442.04x = 126,339,712.62 × 25,931,051.02
  4. Step 4: Simplify right side
    84,218,442.04x = 3,276,121,533,801,358
  5. Step 5: Solve for x
    x = 3,276,121,533,801,358/84,218,442.04
  6. Step 6: Final answer
    x = 38,900,286.62

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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.