Home / 147,596,568.20-221,489,330.70-86,185,608.20

Finding the Fourth Proportional to 147,596,568.20, 221,489,330.70 and 86,185,608.20

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Solution

The fourth proportional to 147,596,568.20, 221,489,330.70 and 86,185,608.20 is: 129,333,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,596,568.20 : 221,489,330.70 = 86,185,608.20 : x
  2. Step 2: Convert to fraction form
    147,596,568.20/221,489,330.70 = 86,185,608.20/x
  3. Step 3: Cross multiply
    147,596,568.20x = 221,489,330.70 × 86,185,608.20
  4. Step 4: Simplify right side
    147,596,568.20x = 19,089,192,676,190,432
  5. Step 5: Solve for x
    x = 19,089,192,676,190,432/147,596,568.20
  6. Step 6: Final answer
    x = 129,333,580.78

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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.