Home / 131,163,001.80-196,744,502.70-40,286,590.80

Finding the Fourth Proportional to 131,163,001.80, 196,744,502.70 and 40,286,590.80

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Solution

The fourth proportional to 131,163,001.80, 196,744,502.70 and 40,286,590.80 is: 60,429,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,163,001.80 : 196,744,502.70 = 40,286,590.80 : x
  2. Step 2: Convert to fraction form
    131,163,001.80/196,744,502.70 = 40,286,590.80/x
  3. Step 3: Cross multiply
    131,163,001.80x = 196,744,502.70 × 40,286,590.80
  4. Step 4: Simplify right side
    131,163,001.80x = 7,926,165,272,424,394
  5. Step 5: Solve for x
    x = 7,926,165,272,424,394/131,163,001.80
  6. Step 6: Final answer
    x = 60,429,886.20

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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.