Home / 84,584,947,826.54-126,929,608,849.25-39,197,195,984.76

Finding the Fourth Proportional to 84,584,947,826.54, 126,929,608,849.25 and 39,197,195,984.76

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Solution

The fourth proportional to 84,584,947,826.54, 126,929,608,849.25 and 39,197,195,984.76 is: 58,819,977,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,584,947,826.54 : 126,929,608,849.25 = 39,197,195,984.76 : x
  2. Step 2: Convert to fraction form
    84,584,947,826.54/126,929,608,849.25 = 39,197,195,984.76/x
  3. Step 3: Cross multiply
    84,584,947,826.54x = 126,929,608,849.25 × 39,197,195,984.76
  4. Step 4: Simplify right side
    84,584,947,826.54x = 4,975,284,754,333,360,455,680
  5. Step 5: Solve for x
    x = 4,975,284,754,333,360,455,680/84,584,947,826.54
  6. Step 6: Final answer
    x = 58,819,977,811.37

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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.