Home / 82,948,984.80-124,423,477.20-75,012,799.20

Finding the Fourth Proportional to 82,948,984.80, 124,423,477.20 and 75,012,799.20

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Solution

The fourth proportional to 82,948,984.80, 124,423,477.20 and 75,012,799.20 is: 112,519,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948,984.80 : 124,423,477.20 = 75,012,799.20 : x
  2. Step 2: Convert to fraction form
    82,948,984.80/124,423,477.20 = 75,012,799.20/x
  3. Step 3: Cross multiply
    82,948,984.80x = 124,423,477.20 × 75,012,799.20
  4. Step 4: Simplify right side
    82,948,984.80x = 9,333,353,310,969,378
  5. Step 5: Solve for x
    x = 9,333,353,310,969,378/82,948,984.80
  6. Step 6: Final answer
    x = 112,519,198.80

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1.5x scale

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.