Home / 68,010,186-102,021,405.12-21,953,146.80

Finding the Fourth Proportional to 68,010,186, 102,021,405.12 and 21,953,146.80

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Solution

The fourth proportional to 68,010,186, 102,021,405.12 and 21,953,146.80 is: 32,931,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010,186 : 102,021,405.12 = 21,953,146.80 : x
  2. Step 2: Convert to fraction form
    68,010,186/102,021,405.12 = 21,953,146.80/x
  3. Step 3: Cross multiply
    68,010,186x = 102,021,405.12 × 21,953,146.80
  4. Step 4: Simplify right side
    68,010,186x = 2,239,690,883,341,631.75
  5. Step 5: Solve for x
    x = 2,239,690,883,341,631.75/68,010,186
  6. Step 6: Final answer
    x = 32,931,697.66

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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.