Home / 138,424,245.80-207,636,368.70-132,526,927.40

Finding the Fourth Proportional to 138,424,245.80, 207,636,368.70 and 132,526,927.40

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Solution

The fourth proportional to 138,424,245.80, 207,636,368.70 and 132,526,927.40 is: 198,790,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,424,245.80 : 207,636,368.70 = 132,526,927.40 : x
  2. Step 2: Convert to fraction form
    138,424,245.80/207,636,368.70 = 132,526,927.40/x
  3. Step 3: Cross multiply
    138,424,245.80x = 207,636,368.70 × 132,526,927.40
  4. Step 4: Simplify right side
    138,424,245.80x = 27,517,409,960,304,532
  5. Step 5: Solve for x
    x = 27,517,409,960,304,532/138,424,245.80
  6. Step 6: Final answer
    x = 198,790,391.10

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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.