Home / 84,091,026.80-126,112,920.60-26,600,920.40

Finding the Fourth Proportional to 84,091,026.80, 126,112,920.60 and 26,600,920.40

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Solution

The fourth proportional to 84,091,026.80, 126,112,920.60 and 26,600,920.40 is: 39,893,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,091,026.80 : 126,112,920.60 = 26,600,920.40 : x
  2. Step 2: Convert to fraction form
    84,091,026.80/126,112,920.60 = 26,600,920.40/x
  3. Step 3: Cross multiply
    84,091,026.80x = 126,112,920.60 × 26,600,920.40
  4. Step 4: Simplify right side
    84,091,026.80x = 3,354,719,762,292,120
  5. Step 5: Solve for x
    x = 3,354,719,762,292,120/84,091,026.80
  6. Step 6: Final answer
    x = 39,893,908.90

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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.