Home / 163,679,441.85-245,519,162.78-66,585,171.15

Finding the Fourth Proportional to 163,679,441.85, 245,519,162.78 and 66,585,171.15

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Solution

The fourth proportional to 163,679,441.85, 245,519,162.78 and 66,585,171.15 is: 99,877,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679,441.85 : 245,519,162.78 = 66,585,171.15 : x
  2. Step 2: Convert to fraction form
    163,679,441.85/245,519,162.78 = 66,585,171.15/x
  3. Step 3: Cross multiply
    163,679,441.85x = 245,519,162.78 × 66,585,171.15
  4. Step 4: Simplify right side
    163,679,441.85x = 16,347,935,473,978,084
  5. Step 5: Solve for x
    x = 16,347,935,473,978,084/163,679,441.85
  6. Step 6: Final answer
    x = 99,877,756.73

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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.