Home / 77,124,870.30-115,696,084.09-27,963,875.17

Finding the Fourth Proportional to 77,124,870.30, 115,696,084.09 and 27,963,875.17

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Solution

The fourth proportional to 77,124,870.30, 115,696,084.09 and 27,963,875.17 is: 41,948,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,124,870.30 : 115,696,084.09 = 27,963,875.17 : x
  2. Step 2: Convert to fraction form
    77,124,870.30/115,696,084.09 = 27,963,875.17/x
  3. Step 3: Cross multiply
    77,124,870.30x = 115,696,084.09 × 27,963,875.17
  4. Step 4: Simplify right side
    77,124,870.30x = 3,235,310,853,150,583.50
  5. Step 5: Solve for x
    x = 3,235,310,853,150,583.50/77,124,870.30
  6. Step 6: Final answer
    x = 41,948,995.71

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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.