Home / 157,464,268.80-236,196,403.20-145,985,143.20

Finding the Fourth Proportional to 157,464,268.80, 236,196,403.20 and 145,985,143.20

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Solution

The fourth proportional to 157,464,268.80, 236,196,403.20 and 145,985,143.20 is: 218,977,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,268.80 : 236,196,403.20 = 145,985,143.20 : x
  2. Step 2: Convert to fraction form
    157,464,268.80/236,196,403.20 = 145,985,143.20/x
  3. Step 3: Cross multiply
    157,464,268.80x = 236,196,403.20 × 145,985,143.20
  4. Step 4: Simplify right side
    157,464,268.80x = 34,481,165,744,476,932
  5. Step 5: Solve for x
    x = 34,481,165,744,476,932/157,464,268.80
  6. Step 6: Final answer
    x = 218,977,714.80

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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.