Home / 121,884,462,172.32-168,200,950,827.17-67,691,010,807.69

Finding the Fourth Proportional to 121,884,462,172.32, 168,200,950,827.17 and 67,691,010,807.69

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Solution

The fourth proportional to 121,884,462,172.32, 168,200,950,827.17 and 67,691,010,807.69 is: 93,413,813,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,884,462,172.32 : 168,200,950,827.17 = 67,691,010,807.69 : x
  2. Step 2: Convert to fraction form
    121,884,462,172.32/168,200,950,827.17 = 67,691,010,807.69/x
  3. Step 3: Cross multiply
    121,884,462,172.32x = 168,200,950,827.17 × 67,691,010,807.69
  4. Step 4: Simplify right side
    121,884,462,172.32x = 11,385,692,380,304,859,201,536
  5. Step 5: Solve for x
    x = 11,385,692,380,304,859,201,536/121,884,462,172.32
  6. Step 6: Final answer
    x = 93,413,813,191.45

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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.