Home / 88,579,272.30-132,868,908.45-81,564,251.10

Finding the Fourth Proportional to 88,579,272.30, 132,868,908.45 and 81,564,251.10

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Solution

The fourth proportional to 88,579,272.30, 132,868,908.45 and 81,564,251.10 is: 122,346,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,272.30 : 132,868,908.45 = 81,564,251.10 : x
  2. Step 2: Convert to fraction form
    88,579,272.30/132,868,908.45 = 81,564,251.10/x
  3. Step 3: Cross multiply
    88,579,272.30x = 132,868,908.45 × 81,564,251.10
  4. Step 4: Simplify right side
    88,579,272.30x = 10,837,353,012,198,712
  5. Step 5: Solve for x
    x = 10,837,353,012,198,712/88,579,272.30
  6. Step 6: Final answer
    x = 122,346,376.65

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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.