Home / 88,578,844.40-132,868,266.60-84,752,469.20

Finding the Fourth Proportional to 88,578,844.40, 132,868,266.60 and 84,752,469.20

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Solution

The fourth proportional to 88,578,844.40, 132,868,266.60 and 84,752,469.20 is: 127,128,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,844.40 : 132,868,266.60 = 84,752,469.20 : x
  2. Step 2: Convert to fraction form
    88,578,844.40/132,868,266.60 = 84,752,469.20/x
  3. Step 3: Cross multiply
    88,578,844.40x = 132,868,266.60 × 84,752,469.20
  4. Step 4: Simplify right side
    88,578,844.40x = 11,260,913,672,673,888
  5. Step 5: Solve for x
    x = 11,260,913,672,673,888/88,578,844.40
  6. Step 6: Final answer
    x = 127,128,703.80

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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.