Home / 84,827,649.60-127,278,799.20-39,366,043.20

Finding the Fourth Proportional to 84,827,649.60, 127,278,799.20 and 39,366,043.20

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Solution

The fourth proportional to 84,827,649.60, 127,278,799.20 and 39,366,043.20 is: 59,066,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827,649.60 : 127,278,799.20 = 39,366,043.20 : x
  2. Step 2: Convert to fraction form
    84,827,649.60/127,278,799.20 = 39,366,043.20/x
  3. Step 3: Cross multiply
    84,827,649.60x = 127,278,799.20 × 39,366,043.20
  4. Step 4: Simplify right side
    84,827,649.60x = 5,010,462,707,751,326
  5. Step 5: Solve for x
    x = 5,010,462,707,751,326/84,827,649.60
  6. Step 6: Final answer
    x = 59,066,386.15

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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.