Home / 129,024,985.20-193,537,477.80-33,286,873.20

Finding the Fourth Proportional to 129,024,985.20, 193,537,477.80 and 33,286,873.20

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Solution

The fourth proportional to 129,024,985.20, 193,537,477.80 and 33,286,873.20 is: 49,930,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,985.20 : 193,537,477.80 = 33,286,873.20 : x
  2. Step 2: Convert to fraction form
    129,024,985.20/193,537,477.80 = 33,286,873.20/x
  3. Step 3: Cross multiply
    129,024,985.20x = 193,537,477.80 × 33,286,873.20
  4. Step 4: Simplify right side
    129,024,985.20x = 6,442,257,482,976,415
  5. Step 5: Solve for x
    x = 6,442,257,482,976,415/129,024,985.20
  6. Step 6: Final answer
    x = 49,930,309.80

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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.