Home / 84,087,086.60-126,130,629.90-26,596,980.20

Finding the Fourth Proportional to 84,087,086.60, 126,130,629.90 and 26,596,980.20

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Solution

The fourth proportional to 84,087,086.60, 126,130,629.90 and 26,596,980.20 is: 39,895,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087,086.60 : 126,130,629.90 = 26,596,980.20 : x
  2. Step 2: Convert to fraction form
    84,087,086.60/126,130,629.90 = 26,596,980.20/x
  3. Step 3: Cross multiply
    84,087,086.60x = 126,130,629.90 × 26,596,980.20
  4. Step 4: Simplify right side
    84,087,086.60x = 3,354,693,866,063,828
  5. Step 5: Solve for x
    x = 3,354,693,866,063,828/84,087,086.60
  6. Step 6: Final answer
    x = 39,895,470.30

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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.