Home / 211,127,318.87-316,743,727.07-148,999,938.80

Finding the Fourth Proportional to 211,127,318.87, 316,743,727.07 and 148,999,938.80

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Solution

The fourth proportional to 211,127,318.87, 316,743,727.07 and 148,999,938.80 is: 223,537,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,127,318.87 : 316,743,727.07 = 148,999,938.80 : x
  2. Step 2: Convert to fraction form
    211,127,318.87/316,743,727.07 = 148,999,938.80/x
  3. Step 3: Cross multiply
    211,127,318.87x = 316,743,727.07 × 148,999,938.80
  4. Step 4: Simplify right side
    211,127,318.87x = 47,194,795,947,502,680
  5. Step 5: Solve for x
    x = 47,194,795,947,502,680/211,127,318.87
  6. Step 6: Final answer
    x = 223,537,134.85

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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.