Home / 108,479,512.16-149,702,826.40-58,920,364.70

Finding the Fourth Proportional to 108,479,512.16, 149,702,826.40 and 58,920,364.70

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Solution

The fourth proportional to 108,479,512.16, 149,702,826.40 and 58,920,364.70 is: 81,310,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,479,512.16 : 149,702,826.40 = 58,920,364.70 : x
  2. Step 2: Convert to fraction form
    108,479,512.16/149,702,826.40 = 58,920,364.70/x
  3. Step 3: Cross multiply
    108,479,512.16x = 149,702,826.40 × 58,920,364.70
  4. Step 4: Simplify right side
    108,479,512.16x = 8,820,545,127,212,974
  5. Step 5: Solve for x
    x = 8,820,545,127,212,974/108,479,512.16
  6. Step 6: Final answer
    x = 81,310,700.54

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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.