Home / 171,488,010.80-257,232,016.20-103,463,562.80

Finding the Fourth Proportional to 171,488,010.80, 257,232,016.20 and 103,463,562.80

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Solution

The fourth proportional to 171,488,010.80, 257,232,016.20 and 103,463,562.80 is: 155,195,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,488,010.80 : 257,232,016.20 = 103,463,562.80 : x
  2. Step 2: Convert to fraction form
    171,488,010.80/257,232,016.20 = 103,463,562.80/x
  3. Step 3: Cross multiply
    171,488,010.80x = 257,232,016.20 × 103,463,562.80
  4. Step 4: Simplify right side
    171,488,010.80x = 26,614,140,862,279,316
  5. Step 5: Solve for x
    x = 26,614,140,862,279,316/171,488,010.80
  6. Step 6: Final answer
    x = 155,195,344.20

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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.