Home / 98,680,051.98-136,179,549.36-54,627,786.72

Finding the Fourth Proportional to 98,680,051.98, 136,179,549.36 and 54,627,786.72

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Solution

The fourth proportional to 98,680,051.98, 136,179,549.36 and 54,627,786.72 is: 75,386,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680,051.98 : 136,179,549.36 = 54,627,786.72 : x
  2. Step 2: Convert to fraction form
    98,680,051.98/136,179,549.36 = 54,627,786.72/x
  3. Step 3: Cross multiply
    98,680,051.98x = 136,179,549.36 × 54,627,786.72
  4. Step 4: Simplify right side
    98,680,051.98x = 7,439,187,378,063,793
  5. Step 5: Solve for x
    x = 7,439,187,378,063,793/98,680,051.98
  6. Step 6: Final answer
    x = 75,386,942.23

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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.