Home / 108,872,427.30-163,551,943.35-90,956,523.30

Finding the Fourth Proportional to 108,872,427.30, 163,551,943.35 and 90,956,523.30

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Solution

The fourth proportional to 108,872,427.30, 163,551,943.35 and 90,956,523.30 is: 136,638,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,427.30 : 163,551,943.35 = 90,956,523.30 : x
  2. Step 2: Convert to fraction form
    108,872,427.30/163,551,943.35 = 90,956,523.30/x
  3. Step 3: Cross multiply
    108,872,427.30x = 163,551,943.35 × 90,956,523.30
  4. Step 4: Simplify right side
    108,872,427.30x = 14,876,116,146,074,554
  5. Step 5: Solve for x
    x = 14,876,116,146,074,554/108,872,427.30
  6. Step 6: Final answer
    x = 136,638,049.83

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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.