Home / 88,087,109.40-132,130,664.10-86,386,498.20

Finding the Fourth Proportional to 88,087,109.40, 132,130,664.10 and 86,386,498.20

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Solution

The fourth proportional to 88,087,109.40, 132,130,664.10 and 86,386,498.20 is: 129,579,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,087,109.40 : 132,130,664.10 = 86,386,498.20 : x
  2. Step 2: Convert to fraction form
    88,087,109.40/132,130,664.10 = 86,386,498.20/x
  3. Step 3: Cross multiply
    88,087,109.40x = 132,130,664.10 × 86,386,498.20
  4. Step 4: Simplify right side
    88,087,109.40x = 11,414,305,376,439,454
  5. Step 5: Solve for x
    x = 11,414,305,376,439,454/88,087,109.40
  6. Step 6: Final answer
    x = 129,579,747.30

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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.