Home / 129,028,041.20-193,542,061.80-33,289,929.20

Finding the Fourth Proportional to 129,028,041.20, 193,542,061.80 and 33,289,929.20

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Solution

The fourth proportional to 129,028,041.20, 193,542,061.80 and 33,289,929.20 is: 49,934,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,028,041.20 : 193,542,061.80 = 33,289,929.20 : x
  2. Step 2: Convert to fraction form
    129,028,041.20/193,542,061.80 = 33,289,929.20/x
  3. Step 3: Cross multiply
    129,028,041.20x = 193,542,061.80 × 33,289,929.20
  4. Step 4: Simplify right side
    129,028,041.20x = 6,443,001,534,544,025
  5. Step 5: Solve for x
    x = 6,443,001,534,544,025/129,028,041.20
  6. Step 6: Final answer
    x = 49,934,893.80

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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.