Home / 108,574,879.20-162,862,318.80-91,568,767.20

Finding the Fourth Proportional to 108,574,879.20, 162,862,318.80 and 91,568,767.20

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Solution

The fourth proportional to 108,574,879.20, 162,862,318.80 and 91,568,767.20 is: 137,353,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,574,879.20 : 162,862,318.80 = 91,568,767.20 : x
  2. Step 2: Convert to fraction form
    108,574,879.20/162,862,318.80 = 91,568,767.20/x
  3. Step 3: Cross multiply
    108,574,879.20x = 162,862,318.80 × 91,568,767.20
  4. Step 4: Simplify right side
    108,574,879.20x = 14,913,101,755,849,384
  5. Step 5: Solve for x
    x = 14,913,101,755,849,384/108,574,879.20
  6. Step 6: Final answer
    x = 137,353,150.80

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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.