Home / 283,617,023.08-391,391,849.31-156,454,826.16

Finding the Fourth Proportional to 283,617,023.08, 391,391,849.31 and 156,454,826.16

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Solution

The fourth proportional to 283,617,023.08, 391,391,849.31 and 156,454,826.16 is: 215,907,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,617,023.08 : 391,391,849.31 = 156,454,826.16 : x
  2. Step 2: Convert to fraction form
    283,617,023.08/391,391,849.31 = 156,454,826.16/x
  3. Step 3: Cross multiply
    283,617,023.08x = 391,391,849.31 × 156,454,826.16
  4. Step 4: Simplify right side
    283,617,023.08x = 61,235,143,746,440,024
  5. Step 5: Solve for x
    x = 61,235,143,746,440,024/283,617,023.08
  6. Step 6: Final answer
    x = 215,907,857.30

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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.