Home / 108,002,043.40-149,043,215.10-58,442,417.61

Finding the Fourth Proportional to 108,002,043.40, 149,043,215.10 and 58,442,417.61

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Solution

The fourth proportional to 108,002,043.40, 149,043,215.10 and 58,442,417.61 is: 80,650,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002,043.40 : 149,043,215.10 = 58,442,417.61 : x
  2. Step 2: Convert to fraction form
    108,002,043.40/149,043,215.10 = 58,442,417.61/x
  3. Step 3: Cross multiply
    108,002,043.40x = 149,043,215.10 × 58,442,417.61
  4. Step 4: Simplify right side
    108,002,043.40x = 8,710,445,818,522,145
  5. Step 5: Solve for x
    x = 8,710,445,818,522,145/108,002,043.40
  6. Step 6: Final answer
    x = 80,650,750.15

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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.