Home / 98,385,937.80-147,668,136.30-49,897,523.40

Finding the Fourth Proportional to 98,385,937.80, 147,668,136.30 and 49,897,523.40

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Solution

The fourth proportional to 98,385,937.80, 147,668,136.30 and 49,897,523.40 is: 74,891,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,385,937.80 : 147,668,136.30 = 49,897,523.40 : x
  2. Step 2: Convert to fraction form
    98,385,937.80/147,668,136.30 = 49,897,523.40/x
  3. Step 3: Cross multiply
    98,385,937.80x = 147,668,136.30 × 49,897,523.40
  4. Step 4: Simplify right side
    98,385,937.80x = 7,368,274,286,463,640
  5. Step 5: Solve for x
    x = 7,368,274,286,463,640/98,385,937.80
  6. Step 6: Final answer
    x = 74,891,538.88

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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.