Home / 295,259,728.80-442,887,260.40-76,909,648.80

Finding the Fourth Proportional to 295,259,728.80, 442,887,260.40 and 76,909,648.80

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Solution

The fourth proportional to 295,259,728.80, 442,887,260.40 and 76,909,648.80 is: 115,363,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,259,728.80 : 442,887,260.40 = 76,909,648.80 : x
  2. Step 2: Convert to fraction form
    295,259,728.80/442,887,260.40 = 76,909,648.80/x
  3. Step 3: Cross multiply
    295,259,728.80x = 442,887,260.40 × 76,909,648.80
  4. Step 4: Simplify right side
    295,259,728.80x = 34,062,303,655,358,144
  5. Step 5: Solve for x
    x = 34,062,303,655,358,144/295,259,728.80
  6. Step 6: Final answer
    x = 115,363,865.55

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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.