Home / 118,064,641.80-177,171,612.30-69,542,401.80

Finding the Fourth Proportional to 118,064,641.80, 177,171,612.30 and 69,542,401.80

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Solution

The fourth proportional to 118,064,641.80, 177,171,612.30 and 69,542,401.80 is: 104,357,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,064,641.80 : 177,171,612.30 = 69,542,401.80 : x
  2. Step 2: Convert to fraction form
    118,064,641.80/177,171,612.30 = 69,542,401.80/x
  3. Step 3: Cross multiply
    118,064,641.80x = 177,171,612.30 × 69,542,401.80
  4. Step 4: Simplify right side
    118,064,641.80x = 12,320,939,450,120,422
  5. Step 5: Solve for x
    x = 12,320,939,450,120,422/118,064,641.80
  6. Step 6: Final answer
    x = 104,357,572.79

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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.