Home / 138,675,001.50-191,377,517.69-76,795,340.07

Finding the Fourth Proportional to 138,675,001.50, 191,377,517.69 and 76,795,340.07

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Solution

The fourth proportional to 138,675,001.50, 191,377,517.69 and 76,795,340.07 is: 105,980,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,675,001.50 : 191,377,517.69 = 76,795,340.07 : x
  2. Step 2: Convert to fraction form
    138,675,001.50/191,377,517.69 = 76,795,340.07/x
  3. Step 3: Cross multiply
    138,675,001.50x = 191,377,517.69 × 76,795,340.07
  4. Step 4: Simplify right side
    138,675,001.50x = 14,696,901,552,372,012
  5. Step 5: Solve for x
    x = 14,696,901,552,372,012/138,675,001.50
  6. Step 6: Final answer
    x = 105,980,900.62

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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.