Home / 92,201,299.20-138,301,948.80-86,910,508.80

Finding the Fourth Proportional to 92,201,299.20, 138,301,948.80 and 86,910,508.80

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Solution

The fourth proportional to 92,201,299.20, 138,301,948.80 and 86,910,508.80 is: 130,365,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,201,299.20 : 138,301,948.80 = 86,910,508.80 : x
  2. Step 2: Convert to fraction form
    92,201,299.20/138,301,948.80 = 86,910,508.80/x
  3. Step 3: Cross multiply
    92,201,299.20x = 138,301,948.80 × 86,910,508.80
  4. Step 4: Simplify right side
    92,201,299.20x = 12,019,892,738,239,550
  5. Step 5: Solve for x
    x = 12,019,892,738,239,550/92,201,299.20
  6. Step 6: Final answer
    x = 130,365,763.20

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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.