Home / 87,377,206.95-120,583,102.00-47,687,283.37

Finding the Fourth Proportional to 87,377,206.95, 120,583,102.00 and 47,687,283.37

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Solution

The fourth proportional to 87,377,206.95, 120,583,102.00 and 47,687,283.37 is: 65,809,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377,206.95 : 120,583,102.00 = 47,687,283.37 : x
  2. Step 2: Convert to fraction form
    87,377,206.95/120,583,102.00 = 47,687,283.37/x
  3. Step 3: Cross multiply
    87,377,206.95x = 120,583,102.00 × 47,687,283.37
  4. Step 4: Simplify right side
    87,377,206.95x = 5,750,280,554,286,938
  5. Step 5: Solve for x
    x = 5,750,280,554,286,938/87,377,206.95
  6. Step 6: Final answer
    x = 65,809,846.24

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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.