Home / 168,032,974.80-251,545,577.40-99,840,565.20

Finding the Fourth Proportional to 168,032,974.80, 251,545,577.40 and 99,840,565.20

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Solution

The fourth proportional to 168,032,974.80, 251,545,577.40 and 99,840,565.20 is: 149,461,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,032,974.80 : 251,545,577.40 = 99,840,565.20 : x
  2. Step 2: Convert to fraction form
    168,032,974.80/251,545,577.40 = 99,840,565.20/x
  3. Step 3: Cross multiply
    168,032,974.80x = 251,545,577.40 × 99,840,565.20
  4. Step 4: Simplify right side
    168,032,974.80x = 25,114,452,621,176,348
  5. Step 5: Solve for x
    x = 25,114,452,621,176,348/168,032,974.80
  6. Step 6: Final answer
    x = 149,461,453.33

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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.