Home / 140,168,390,787.53-193,429,857,846.85-79,199,448,981.27

Finding the Fourth Proportional to 140,168,390,787.53, 193,429,857,846.85 and 79,199,448,981.27

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Solution

The fourth proportional to 140,168,390,787.53, 193,429,857,846.85 and 79,199,448,981.27 is: 109,293,814,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,168,390,787.53 : 193,429,857,846.85 = 79,199,448,981.27 : x
  2. Step 2: Convert to fraction form
    140,168,390,787.53/193,429,857,846.85 = 79,199,448,981.27/x
  3. Step 3: Cross multiply
    140,168,390,787.53x = 193,429,857,846.85 × 79,199,448,981.27
  4. Step 4: Simplify right side
    140,168,390,787.53x = 15,319,538,157,995,906,039,808
  5. Step 5: Solve for x
    x = 15,319,538,157,995,906,039,808/140,168,390,787.53
  6. Step 6: Final answer
    x = 109,293,814,903.09

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