Home / 98,428,632.96-147,504,331.91-75,310,063.72

Finding the Fourth Proportional to 98,428,632.96, 147,504,331.91 and 75,310,063.72

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Solution

The fourth proportional to 98,428,632.96, 147,504,331.91 and 75,310,063.72 is: 112,859,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,428,632.96 : 147,504,331.91 = 75,310,063.72 : x
  2. Step 2: Convert to fraction form
    98,428,632.96/147,504,331.91 = 75,310,063.72/x
  3. Step 3: Cross multiply
    98,428,632.96x = 147,504,331.91 × 75,310,063.72
  4. Step 4: Simplify right side
    98,428,632.96x = 11,108,560,635,118,128
  5. Step 5: Solve for x
    x = 11,108,560,635,118,128/98,428,632.96
  6. Step 6: Final answer
    x = 112,859,036.05

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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.