Home / 98,428,645.47-147,504,350.65-75,310,076.25

Finding the Fourth Proportional to 98,428,645.47, 147,504,350.65 and 75,310,076.25

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Solution

The fourth proportional to 98,428,645.47, 147,504,350.65 and 75,310,076.25 is: 112,859,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,428,645.47 : 147,504,350.65 = 75,310,076.25 : x
  2. Step 2: Convert to fraction form
    98,428,645.47/147,504,350.65 = 75,310,076.25/x
  3. Step 3: Cross multiply
    98,428,645.47x = 147,504,350.65 × 75,310,076.25
  4. Step 4: Simplify right side
    98,428,645.47x = 11,108,563,894,658,238
  5. Step 5: Solve for x
    x = 11,108,563,894,658,238/98,428,645.47
  6. Step 6: Final answer
    x = 112,859,054.82

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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.