Home / 78,857,346.30-118,286,019.45-25,004,658.30

Finding the Fourth Proportional to 78,857,346.30, 118,286,019.45 and 25,004,658.30

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Solution

The fourth proportional to 78,857,346.30, 118,286,019.45 and 25,004,658.30 is: 37,506,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,857,346.30 : 118,286,019.45 = 25,004,658.30 : x
  2. Step 2: Convert to fraction form
    78,857,346.30/118,286,019.45 = 25,004,658.30/x
  3. Step 3: Cross multiply
    78,857,346.30x = 118,286,019.45 × 25,004,658.30
  4. Step 4: Simplify right side
    78,857,346.30x = 2,957,701,498,014,404
  5. Step 5: Solve for x
    x = 2,957,701,498,014,404/78,857,346.30
  6. Step 6: Final answer
    x = 37,506,987.45

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Similar ratio
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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.