Home / 108,015,188.45-149,061,435.44-58,455,569.70

Finding the Fourth Proportional to 108,015,188.45, 149,061,435.44 and 58,455,569.70

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Solution

The fourth proportional to 108,015,188.45, 149,061,435.44 and 58,455,569.70 is: 80,668,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,015,188.45 : 149,061,435.44 = 58,455,569.70 : x
  2. Step 2: Convert to fraction form
    108,015,188.45/149,061,435.44 = 58,455,569.70/x
  3. Step 3: Cross multiply
    108,015,188.45x = 149,061,435.44 × 58,455,569.70
  4. Step 4: Simplify right side
    108,015,188.45x = 8,713,471,128,652,693
  5. Step 5: Solve for x
    x = 8,713,471,128,652,693/108,015,188.45
  6. Step 6: Final answer
    x = 80,668,943.45

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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.