Home / 159,946,786,789.09-220,726,512,492.85-87,687,300,185.43

Finding the Fourth Proportional to 159,946,786,789.09, 220,726,512,492.85 and 87,687,300,185.43

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Solution

The fourth proportional to 159,946,786,789.09, 220,726,512,492.85 and 87,687,300,185.43 is: 121,008,445,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,946,786,789.09 : 220,726,512,492.85 = 87,687,300,185.43 : x
  2. Step 2: Convert to fraction form
    159,946,786,789.09/220,726,512,492.85 = 87,687,300,185.43/x
  3. Step 3: Cross multiply
    159,946,786,789.09x = 220,726,512,492.85 × 87,687,300,185.43
  4. Step 4: Simplify right side
    159,946,786,789.09x = 19,354,911,959,843,602,432,000
  5. Step 5: Solve for x
    x = 19,354,911,959,843,602,432,000/159,946,786,789.09
  6. Step 6: Final answer
    x = 121,008,445,048.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.