Home / 145,168,315.20-217,752,472.80-119,659,147.20

Finding the Fourth Proportional to 145,168,315.20, 217,752,472.80 and 119,659,147.20

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Solution

The fourth proportional to 145,168,315.20, 217,752,472.80 and 119,659,147.20 is: 179,488,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,168,315.20 : 217,752,472.80 = 119,659,147.20 : x
  2. Step 2: Convert to fraction form
    145,168,315.20/217,752,472.80 = 119,659,147.20/x
  3. Step 3: Cross multiply
    145,168,315.20x = 217,752,472.80 × 119,659,147.20
  4. Step 4: Simplify right side
    145,168,315.20x = 26,056,075,195,939,200
  5. Step 5: Solve for x
    x = 26,056,075,195,939,200/145,168,315.20
  6. Step 6: Final answer
    x = 179,488,720.80

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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.