Home / 106,487,638.80-159,311,182.40-80,654,357.40

Finding the Fourth Proportional to 106,487,638.80, 159,311,182.40 and 80,654,357.40

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Solution

The fourth proportional to 106,487,638.80, 159,311,182.40 and 80,654,357.40 is: 120,663,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,487,638.80 : 159,311,182.40 = 80,654,357.40 : x
  2. Step 2: Convert to fraction form
    106,487,638.80/159,311,182.40 = 80,654,357.40/x
  3. Step 3: Cross multiply
    106,487,638.80x = 159,311,182.40 × 80,654,357.40
  4. Step 4: Simplify right side
    106,487,638.80x = 12,849,141,043,106,192
  5. Step 5: Solve for x
    x = 12,849,141,043,106,192/106,487,638.80
  6. Step 6: Final answer
    x = 120,663,216.76

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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.