Home / 165,402,078.40-248,103,117.60-157,465,892.80

Finding the Fourth Proportional to 165,402,078.40, 248,103,117.60 and 157,465,892.80

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Solution

The fourth proportional to 165,402,078.40, 248,103,117.60 and 157,465,892.80 is: 236,198,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,402,078.40 : 248,103,117.60 = 157,465,892.80 : x
  2. Step 2: Convert to fraction form
    165,402,078.40/248,103,117.60 = 157,465,892.80/x
  3. Step 3: Cross multiply
    165,402,078.40x = 248,103,117.60 × 157,465,892.80
  4. Step 4: Simplify right side
    165,402,078.40x = 39,067,778,919,347,392
  5. Step 5: Solve for x
    x = 39,067,778,919,347,392/165,402,078.40
  6. Step 6: Final answer
    x = 236,198,839.20

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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.