Home / 108,479,513.16-149,702,827.78-58,920,365.70

Finding the Fourth Proportional to 108,479,513.16, 149,702,827.78 and 58,920,365.70

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Solution

The fourth proportional to 108,479,513.16, 149,702,827.78 and 58,920,365.70 is: 81,310,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,479,513.16 : 149,702,827.78 = 58,920,365.70 : x
  2. Step 2: Convert to fraction form
    108,479,513.16/149,702,827.78 = 58,920,365.70/x
  3. Step 3: Cross multiply
    108,479,513.16x = 149,702,827.78 × 58,920,365.70
  4. Step 4: Simplify right side
    108,479,513.16x = 8,820,545,359,121,720
  5. Step 5: Solve for x
    x = 8,820,545,359,121,720/108,479,513.16
  6. Step 6: Final answer
    x = 81,310,701.92

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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.