Home / 88,536,011.70-132,804,017.55-72,380,205.30

Finding the Fourth Proportional to 88,536,011.70, 132,804,017.55 and 72,380,205.30

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Solution

The fourth proportional to 88,536,011.70, 132,804,017.55 and 72,380,205.30 is: 108,570,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,536,011.70 : 132,804,017.55 = 72,380,205.30 : x
  2. Step 2: Convert to fraction form
    88,536,011.70/132,804,017.55 = 72,380,205.30/x
  3. Step 3: Cross multiply
    88,536,011.70x = 132,804,017.55 × 72,380,205.30
  4. Step 4: Simplify right side
    88,536,011.70x = 9,612,382,054,933,802
  5. Step 5: Solve for x
    x = 9,612,382,054,933,802/88,536,011.70
  6. Step 6: Final answer
    x = 108,570,307.95

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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.