Home / 88,090,717.80-132,136,076.70-86,579,063.40

Finding the Fourth Proportional to 88,090,717.80, 132,136,076.70 and 86,579,063.40

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Solution

The fourth proportional to 88,090,717.80, 132,136,076.70 and 86,579,063.40 is: 129,868,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,090,717.80 : 132,136,076.70 = 86,579,063.40 : x
  2. Step 2: Convert to fraction form
    88,090,717.80/132,136,076.70 = 86,579,063.40/x
  3. Step 3: Cross multiply
    88,090,717.80x = 132,136,076.70 × 86,579,063.40
  4. Step 4: Simplify right side
    88,090,717.80x = 11,440,217,762,036,564
  5. Step 5: Solve for x
    x = 11,440,217,762,036,564/88,090,717.80
  6. Step 6: Final answer
    x = 129,868,595.10

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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.