Home / 88,090,727.80-132,136,091.70-86,579,073.40

Finding the Fourth Proportional to 88,090,727.80, 132,136,091.70 and 86,579,073.40

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Solution

The fourth proportional to 88,090,727.80, 132,136,091.70 and 86,579,073.40 is: 129,868,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,090,727.80 : 132,136,091.70 = 86,579,073.40 : x
  2. Step 2: Convert to fraction form
    88,090,727.80/132,136,091.70 = 86,579,073.40/x
  3. Step 3: Cross multiply
    88,090,727.80x = 132,136,091.70 × 86,579,073.40
  4. Step 4: Simplify right side
    88,090,727.80x = 11,440,220,382,083,432
  5. Step 5: Solve for x
    x = 11,440,220,382,083,432/88,090,727.80
  6. Step 6: Final answer
    x = 129,868,610.10

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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.