Home / 138,675,002.26-191,377,518.72-76,795,340.82

Finding the Fourth Proportional to 138,675,002.26, 191,377,518.72 and 76,795,340.82

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Solution

The fourth proportional to 138,675,002.26, 191,377,518.72 and 76,795,340.82 is: 105,980,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,675,002.26 : 191,377,518.72 = 76,795,340.82 : x
  2. Step 2: Convert to fraction form
    138,675,002.26/191,377,518.72 = 76,795,340.82/x
  3. Step 3: Cross multiply
    138,675,002.26x = 191,377,518.72 × 76,795,340.82
  4. Step 4: Simplify right side
    138,675,002.26x = 14,696,901,775,388,328
  5. Step 5: Solve for x
    x = 14,696,901,775,388,328/138,675,002.26
  6. Step 6: Final answer
    x = 105,980,901.65

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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.