Home / 298,069,169.19-447,103,648.55-79,713,836.16

Finding the Fourth Proportional to 298,069,169.19, 447,103,648.55 and 79,713,836.16

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Solution

The fourth proportional to 298,069,169.19, 447,103,648.55 and 79,713,836.16 is: 119,570,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,069,169.19 : 447,103,648.55 = 79,713,836.16 : x
  2. Step 2: Convert to fraction form
    298,069,169.19/447,103,648.55 = 79,713,836.16/x
  3. Step 3: Cross multiply
    298,069,169.19x = 447,103,648.55 × 79,713,836.16
  4. Step 4: Simplify right side
    298,069,169.19x = 35,640,346,986,381,448
  5. Step 5: Solve for x
    x = 35,640,346,986,381,448/298,069,169.19
  6. Step 6: Final answer
    x = 119,570,726.10

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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.