Home / 98,386,003.80-147,668,235.30-49,897,589.40

Finding the Fourth Proportional to 98,386,003.80, 147,668,235.30 and 49,897,589.40

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Solution

The fourth proportional to 98,386,003.80, 147,668,235.30 and 49,897,589.40 is: 74,891,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,386,003.80 : 147,668,235.30 = 49,897,589.40 : x
  2. Step 2: Convert to fraction form
    98,386,003.80/147,668,235.30 = 49,897,589.40/x
  3. Step 3: Cross multiply
    98,386,003.80x = 147,668,235.30 × 49,897,589.40
  4. Step 4: Simplify right side
    98,386,003.80x = 7,368,288,972,421,986
  5. Step 5: Solve for x
    x = 7,368,288,972,421,986/98,386,003.80
  6. Step 6: Final answer
    x = 74,891,637.91

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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.