Home / 66,884,729.28-100,289,147.04-61,178,389.44

Finding the Fourth Proportional to 66,884,729.28, 100,289,147.04 and 61,178,389.44

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Solution

The fourth proportional to 66,884,729.28, 100,289,147.04 and 61,178,389.44 is: 91,732,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,884,729.28 : 100,289,147.04 = 61,178,389.44 : x
  2. Step 2: Convert to fraction form
    66,884,729.28/100,289,147.04 = 61,178,389.44/x
  3. Step 3: Cross multiply
    66,884,729.28x = 100,289,147.04 × 61,178,389.44
  4. Step 4: Simplify right side
    66,884,729.28x = 6,135,528,494,218,543
  5. Step 5: Solve for x
    x = 6,135,528,494,218,543/66,884,729.28
  6. Step 6: Final answer
    x = 91,732,874.76

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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.