Home / 195,241,428.69-269,432,432.40-107,136,900.78

Finding the Fourth Proportional to 195,241,428.69, 269,432,432.40 and 107,136,900.78

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Solution

The fourth proportional to 195,241,428.69, 269,432,432.40 and 107,136,900.78 is: 147,848,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,241,428.69 : 269,432,432.40 = 107,136,900.78 : x
  2. Step 2: Convert to fraction form
    195,241,428.69/269,432,432.40 = 107,136,900.78/x
  3. Step 3: Cross multiply
    195,241,428.69x = 269,432,432.40 × 107,136,900.78
  4. Step 4: Simplify right side
    195,241,428.69x = 28,866,155,776,952,856
  5. Step 5: Solve for x
    x = 28,866,155,776,952,856/195,241,428.69
  6. Step 6: Final answer
    x = 147,848,517.45

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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.