Home / 87,377,352.06-120,583,642.02-47,687,056.11

Finding the Fourth Proportional to 87,377,352.06, 120,583,642.02 and 47,687,056.11

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Solution

The fourth proportional to 87,377,352.06, 120,583,642.02 and 47,687,056.11 is: 65,809,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377,352.06 : 120,583,642.02 = 47,687,056.11 : x
  2. Step 2: Convert to fraction form
    87,377,352.06/120,583,642.02 = 47,687,056.11/x
  3. Step 3: Cross multiply
    87,377,352.06x = 120,583,642.02 × 47,687,056.11
  4. Step 4: Simplify right side
    87,377,352.06x = 5,750,278,902,955,893
  5. Step 5: Solve for x
    x = 5,750,278,902,955,893/87,377,352.06
  6. Step 6: Final answer
    x = 65,809,718.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.