Home / 98,231,894.54-147,041,308.27-72,353,416.56

Finding the Fourth Proportional to 98,231,894.54, 147,041,308.27 and 72,353,416.56

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Solution

The fourth proportional to 98,231,894.54, 147,041,308.27 and 72,353,416.56 is: 108,304,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,231,894.54 : 147,041,308.27 = 72,353,416.56 : x
  2. Step 2: Convert to fraction form
    98,231,894.54/147,041,308.27 = 72,353,416.56/x
  3. Step 3: Cross multiply
    98,231,894.54x = 147,041,308.27 × 72,353,416.56
  4. Step 4: Simplify right side
    98,231,894.54x = 10,638,941,028,325,722
  5. Step 5: Solve for x
    x = 10,638,941,028,325,722/98,231,894.54
  6. Step 6: Final answer
    x = 108,304,345.33

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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.