Home / 88,579,323.70-132,868,985.55-85,178,101.30

Finding the Fourth Proportional to 88,579,323.70, 132,868,985.55 and 85,178,101.30

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Solution

The fourth proportional to 88,579,323.70, 132,868,985.55 and 85,178,101.30 is: 127,767,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,323.70 : 132,868,985.55 = 85,178,101.30 : x
  2. Step 2: Convert to fraction form
    88,579,323.70/132,868,985.55 = 85,178,101.30/x
  3. Step 3: Cross multiply
    88,579,323.70x = 132,868,985.55 × 85,178,101.30
  4. Step 4: Simplify right side
    88,579,323.70x = 11,317,527,910,806,136
  5. Step 5: Solve for x
    x = 11,317,527,910,806,136/88,579,323.70
  6. Step 6: Final answer
    x = 127,767,151.95

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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.