Home / 78,707,174.28-118,078,035.04-24,123,864.24

Finding the Fourth Proportional to 78,707,174.28, 118,078,035.04 and 24,123,864.24

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Solution

The fourth proportional to 78,707,174.28, 118,078,035.04 and 24,123,864.24 is: 36,191,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,707,174.28 : 118,078,035.04 = 24,123,864.24 : x
  2. Step 2: Convert to fraction form
    78,707,174.28/118,078,035.04 = 24,123,864.24/x
  3. Step 3: Cross multiply
    78,707,174.28x = 118,078,035.04 × 24,123,864.24
  4. Step 4: Simplify right side
    78,707,174.28x = 2,848,498,487,030,923
  5. Step 5: Solve for x
    x = 2,848,498,487,030,923/78,707,174.28
  6. Step 6: Final answer
    x = 36,191,090.75

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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.