Home / 156,843,158.10-216,442,363.72-86,277,252.68

Finding the Fourth Proportional to 156,843,158.10, 216,442,363.72 and 86,277,252.68

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Solution

The fourth proportional to 156,843,158.10, 216,442,363.72 and 86,277,252.68 is: 119,061,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843,158.10 : 216,442,363.72 = 86,277,252.68 : x
  2. Step 2: Convert to fraction form
    156,843,158.10/216,442,363.72 = 86,277,252.68/x
  3. Step 3: Cross multiply
    156,843,158.10x = 216,442,363.72 × 86,277,252.68
  4. Step 4: Simplify right side
    156,843,158.10x = 18,674,052,504,895,520
  5. Step 5: Solve for x
    x = 18,674,052,504,895,520/156,843,158.10
  6. Step 6: Final answer
    x = 119,061,951.64

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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.