Home / 71,357,344.80-107,036,017.20-49,833,984.30

Finding the Fourth Proportional to 71,357,344.80, 107,036,017.20 and 49,833,984.30

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Solution

The fourth proportional to 71,357,344.80, 107,036,017.20 and 49,833,984.30 is: 74,750,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357,344.80 : 107,036,017.20 = 49,833,984.30 : x
  2. Step 2: Convert to fraction form
    71,357,344.80/107,036,017.20 = 49,833,984.30/x
  3. Step 3: Cross multiply
    71,357,344.80x = 107,036,017.20 × 49,833,984.30
  4. Step 4: Simplify right side
    71,357,344.80x = 5,334,031,200,679,330
  5. Step 5: Solve for x
    x = 5,334,031,200,679,330/71,357,344.80
  6. Step 6: Final answer
    x = 74,750,976.45

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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.