Home / 295,259,599.80-442,887,066.90-76,909,519.80

Finding the Fourth Proportional to 295,259,599.80, 442,887,066.90 and 76,909,519.80

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Solution

The fourth proportional to 295,259,599.80, 442,887,066.90 and 76,909,519.80 is: 115,363,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,259,599.80 : 442,887,066.90 = 76,909,519.80 : x
  2. Step 2: Convert to fraction form
    295,259,599.80/442,887,066.90 = 76,909,519.80/x
  3. Step 3: Cross multiply
    295,259,599.80x = 442,887,066.90 × 76,909,519.80
  4. Step 4: Simplify right side
    295,259,599.80x = 34,062,231,640,909,472
  5. Step 5: Solve for x
    x = 34,062,231,640,909,472/295,259,599.80
  6. Step 6: Final answer
    x = 115,363,672.05

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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.