Home / 97,459,786.20-146,189,679.30-86,500,291.80

Finding the Fourth Proportional to 97,459,786.20, 146,189,679.30 and 86,500,291.80

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Solution

The fourth proportional to 97,459,786.20, 146,189,679.30 and 86,500,291.80 is: 129,750,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,459,786.20 : 146,189,679.30 = 86,500,291.80 : x
  2. Step 2: Convert to fraction form
    97,459,786.20/146,189,679.30 = 86,500,291.80/x
  3. Step 3: Cross multiply
    97,459,786.20x = 146,189,679.30 × 86,500,291.80
  4. Step 4: Simplify right side
    97,459,786.20x = 12,645,449,917,598,420
  5. Step 5: Solve for x
    x = 12,645,449,917,598,420/97,459,786.20
  6. Step 6: Final answer
    x = 129,750,437.70

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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.