Home / 84,584,947,921.43-126,929,608,992.34-39,197,196,079.64

Finding the Fourth Proportional to 84,584,947,921.43, 126,929,608,992.34 and 39,197,196,079.64

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Solution

The fourth proportional to 84,584,947,921.43, 126,929,608,992.34 and 39,197,196,079.64 is: 58,819,977,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,584,947,921.43 : 126,929,608,992.34 = 39,197,196,079.64 : x
  2. Step 2: Convert to fraction form
    84,584,947,921.43/126,929,608,992.34 = 39,197,196,079.64/x
  3. Step 3: Cross multiply
    84,584,947,921.43x = 126,929,608,992.34 × 39,197,196,079.64
  4. Step 4: Simplify right side
    84,584,947,921.43x = 4,975,284,771,984,786,849,792
  5. Step 5: Solve for x
    x = 4,975,284,771,984,786,849,792/84,584,947,921.43
  6. Step 6: Final answer
    x = 58,819,977,954.07

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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.