Home / 98,548,158.79-135,997,340.31-54,498,121.47

Finding the Fourth Proportional to 98,548,158.79, 135,997,340.31 and 54,498,121.47

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Solution

The fourth proportional to 98,548,158.79, 135,997,340.31 and 54,498,121.47 is: 75,207,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,548,158.79 : 135,997,340.31 = 54,498,121.47 : x
  2. Step 2: Convert to fraction form
    98,548,158.79/135,997,340.31 = 54,498,121.47/x
  3. Step 3: Cross multiply
    98,548,158.79x = 135,997,340.31 × 54,498,121.47
  4. Step 4: Simplify right side
    98,548,158.79x = 7,411,599,571,963,846
  5. Step 5: Solve for x
    x = 7,411,599,571,963,846/98,548,158.79
  6. Step 6: Final answer
    x = 75,207,894.93

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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.