Home / 295,259,942.80-442,887,581.40-76,909,862.80

Finding the Fourth Proportional to 295,259,942.80, 442,887,581.40 and 76,909,862.80

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Solution

The fourth proportional to 295,259,942.80, 442,887,581.40 and 76,909,862.80 is: 115,364,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,259,942.80 : 442,887,581.40 = 76,909,862.80 : x
  2. Step 2: Convert to fraction form
    295,259,942.80/442,887,581.40 = 76,909,862.80/x
  3. Step 3: Cross multiply
    295,259,942.80x = 442,887,581.40 × 76,909,862.80
  4. Step 4: Simplify right side
    295,259,942.80x = 34,062,423,121,297,828
  5. Step 5: Solve for x
    x = 34,062,423,121,297,828/295,259,942.80
  6. Step 6: Final answer
    x = 115,364,186.55

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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.