Home / 99,275,440.80-148,913,161.20-73,766,272.80

Finding the Fourth Proportional to 99,275,440.80, 148,913,161.20 and 73,766,272.80

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Solution

The fourth proportional to 99,275,440.80, 148,913,161.20 and 73,766,272.80 is: 110,649,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275,440.80 : 148,913,161.20 = 73,766,272.80 : x
  2. Step 2: Convert to fraction form
    99,275,440.80/148,913,161.20 = 73,766,272.80/x
  3. Step 3: Cross multiply
    99,275,440.80x = 148,913,161.20 × 73,766,272.80
  4. Step 4: Simplify right side
    99,275,440.80x = 10,984,768,872,589,574
  5. Step 5: Solve for x
    x = 10,984,768,872,589,574/99,275,440.80
  6. Step 6: Final answer
    x = 110,649,409.20

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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.