Home / 80,852,521.20-121,278,781.80-44,446,844.40

Finding the Fourth Proportional to 80,852,521.20, 121,278,781.80 and 44,446,844.40

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Solution

The fourth proportional to 80,852,521.20, 121,278,781.80 and 44,446,844.40 is: 66,670,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,521.20 : 121,278,781.80 = 44,446,844.40 : x
  2. Step 2: Convert to fraction form
    80,852,521.20/121,278,781.80 = 44,446,844.40/x
  3. Step 3: Cross multiply
    80,852,521.20x = 121,278,781.80 × 44,446,844.40
  4. Step 4: Simplify right side
    80,852,521.20x = 5,390,459,143,686,152
  5. Step 5: Solve for x
    x = 5,390,459,143,686,152/80,852,521.20
  6. Step 6: Final answer
    x = 66,670,266.60

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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.