Home / 542,975,020.80-814,462,531.20-134,031,171.30

Finding the Fourth Proportional to 542,975,020.80, 814,462,531.20 and 134,031,171.30

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Solution

The fourth proportional to 542,975,020.80, 814,462,531.20 and 134,031,171.30 is: 201,046,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,975,020.80 : 814,462,531.20 = 134,031,171.30 : x
  2. Step 2: Convert to fraction form
    542,975,020.80/814,462,531.20 = 134,031,171.30/x
  3. Step 3: Cross multiply
    542,975,020.80x = 814,462,531.20 × 134,031,171.30
  4. Step 4: Simplify right side
    542,975,020.80x = 109,163,367,036,698,800
  5. Step 5: Solve for x
    x = 109,163,367,036,698,800/542,975,020.80
  6. Step 6: Final answer
    x = 201,046,756.95

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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.