Home / 48,815,207.79-72,791,523.81-48,377,064.21

Finding the Fourth Proportional to 48,815,207.79, 72,791,523.81 and 48,377,064.21

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Solution

The fourth proportional to 48,815,207.79, 72,791,523.81 and 48,377,064.21 is: 72,138,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815,207.79 : 72,791,523.81 = 48,377,064.21 : x
  2. Step 2: Convert to fraction form
    48,815,207.79/72,791,523.81 = 48,377,064.21/x
  3. Step 3: Cross multiply
    48,815,207.79x = 72,791,523.81 × 48,377,064.21
  4. Step 4: Simplify right side
    48,815,207.79x = 3,521,440,221,300,114
  5. Step 5: Solve for x
    x = 3,521,440,221,300,114/48,815,207.79
  6. Step 6: Final answer
    x = 72,138,179.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.