Home / 142,017,257,335.68-195,981,392,981.55-76,911,156,997.23

Finding the Fourth Proportional to 142,017,257,335.68, 195,981,392,981.55 and 76,911,156,997.23

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Solution

The fourth proportional to 142,017,257,335.68, 195,981,392,981.55 and 76,911,156,997.23 is: 106,136,084,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,017,257,335.68 : 195,981,392,981.55 = 76,911,156,997.23 : x
  2. Step 2: Convert to fraction form
    142,017,257,335.68/195,981,392,981.55 = 76,911,156,997.23/x
  3. Step 3: Cross multiply
    142,017,257,335.68x = 195,981,392,981.55 × 76,911,156,997.23
  4. Step 4: Simplify right side
    142,017,257,335.68x = 15,073,155,684,139,819,597,824
  5. Step 5: Solve for x
    x = 15,073,155,684,139,819,597,824/142,017,257,335.68
  6. Step 6: Final answer
    x = 106,136,084,916.16

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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.