Home / 189,427,685.70-261,266,162.26-163,010,565.52

Finding the Fourth Proportional to 189,427,685.70, 261,266,162.26 and 163,010,565.52

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Solution

The fourth proportional to 189,427,685.70, 261,266,162.26 and 163,010,565.52 is: 224,830,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,427,685.70 : 261,266,162.26 = 163,010,565.52 : x
  2. Step 2: Convert to fraction form
    189,427,685.70/261,266,162.26 = 163,010,565.52/x
  3. Step 3: Cross multiply
    189,427,685.70x = 261,266,162.26 × 163,010,565.52
  4. Step 4: Simplify right side
    189,427,685.70x = 42,589,144,861,173,096
  5. Step 5: Solve for x
    x = 42,589,144,861,173,096/189,427,685.70
  6. Step 6: Final answer
    x = 224,830,624.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.