Home / 84,218,445.04-126,339,717.12-25,931,054.02

Finding the Fourth Proportional to 84,218,445.04, 126,339,717.12 and 25,931,054.02

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Solution

The fourth proportional to 84,218,445.04, 126,339,717.12 and 25,931,054.02 is: 38,900,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218,445.04 : 126,339,717.12 = 25,931,054.02 : x
  2. Step 2: Convert to fraction form
    84,218,445.04/126,339,717.12 = 25,931,054.02/x
  3. Step 3: Cross multiply
    84,218,445.04x = 126,339,717.12 × 25,931,054.02
  4. Step 4: Simplify right side
    84,218,445.04x = 3,276,122,029,510,239
  5. Step 5: Solve for x
    x = 3,276,122,029,510,239/84,218,445.04
  6. Step 6: Final answer
    x = 38,900,291.12

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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.