Home / 82,355,139.80-123,497,280.30-41,398,753.40

Finding the Fourth Proportional to 82,355,139.80, 123,497,280.30 and 41,398,753.40

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Solution

The fourth proportional to 82,355,139.80, 123,497,280.30 and 41,398,753.40 is: 62,080,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355,139.80 : 123,497,280.30 = 41,398,753.40 : x
  2. Step 2: Convert to fraction form
    82,355,139.80/123,497,280.30 = 41,398,753.40/x
  3. Step 3: Cross multiply
    82,355,139.80x = 123,497,280.30 × 41,398,753.40
  4. Step 4: Simplify right side
    82,355,139.80x = 5,112,633,452,710,378
  5. Step 5: Solve for x
    x = 5,112,633,452,710,378/82,355,139.80
  6. Step 6: Final answer
    x = 62,080,320.25

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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.