Home / 103,479,189.60-155,218,784.40-88,091,020.20

Finding the Fourth Proportional to 103,479,189.60, 155,218,784.40 and 88,091,020.20

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Solution

The fourth proportional to 103,479,189.60, 155,218,784.40 and 88,091,020.20 is: 132,136,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,479,189.60 : 155,218,784.40 = 88,091,020.20 : x
  2. Step 2: Convert to fraction form
    103,479,189.60/155,218,784.40 = 88,091,020.20/x
  3. Step 3: Cross multiply
    103,479,189.60x = 155,218,784.40 × 88,091,020.20
  4. Step 4: Simplify right side
    103,479,189.60x = 13,673,381,071,999,846
  5. Step 5: Solve for x
    x = 13,673,381,071,999,846/103,479,189.60
  6. Step 6: Final answer
    x = 132,136,530.30

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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.