Home / 80,877,773.40-121,316,660.10-44,975,981.40

Finding the Fourth Proportional to 80,877,773.40, 121,316,660.10 and 44,975,981.40

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Solution

The fourth proportional to 80,877,773.40, 121,316,660.10 and 44,975,981.40 is: 67,463,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,877,773.40 : 121,316,660.10 = 44,975,981.40 : x
  2. Step 2: Convert to fraction form
    80,877,773.40/121,316,660.10 = 44,975,981.40/x
  3. Step 3: Cross multiply
    80,877,773.40x = 121,316,660.10 × 44,975,981.40
  4. Step 4: Simplify right side
    80,877,773.40x = 5,456,335,848,167,722
  5. Step 5: Solve for x
    x = 5,456,335,848,167,722/80,877,773.40
  6. Step 6: Final answer
    x = 67,463,972.10

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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.