Home / 106,487,654.56-159,311,206.02-80,654,373.16

Finding the Fourth Proportional to 106,487,654.56, 159,311,206.02 and 80,654,373.16

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Solution

The fourth proportional to 106,487,654.56, 159,311,206.02 and 80,654,373.16 is: 120,663,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,487,654.56 : 159,311,206.02 = 80,654,373.16 : x
  2. Step 2: Convert to fraction form
    106,487,654.56/159,311,206.02 = 80,654,373.16/x
  3. Step 3: Cross multiply
    106,487,654.56x = 159,311,206.02 × 80,654,373.16
  4. Step 4: Simplify right side
    106,487,654.56x = 12,849,145,458,906,718
  5. Step 5: Solve for x
    x = 12,849,145,458,906,718/106,487,654.56
  6. Step 6: Final answer
    x = 120,663,240.37

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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.