Home / 129,747,679,722.33-194,426,073,239.60-115,607,968,794.32

Finding the Fourth Proportional to 129,747,679,722.33, 194,426,073,239.60 and 115,607,968,794.32

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Solution

The fourth proportional to 129,747,679,722.33, 194,426,073,239.60 and 115,607,968,794.32 is: 173,237,806,302.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,747,679,722.33 : 194,426,073,239.60 = 115,607,968,794.32 : x
  2. Step 2: Convert to fraction form
    129,747,679,722.33/194,426,073,239.60 = 115,607,968,794.32/x
  3. Step 3: Cross multiply
    129,747,679,722.33x = 194,426,073,239.60 × 115,607,968,794.32
  4. Step 4: Simplify right side
    129,747,679,722.33x = 22,477,203,407,885,855,358,976
  5. Step 5: Solve for x
    x = 22,477,203,407,885,855,358,976/129,747,679,722.33
  6. Step 6: Final answer
    x = 173,237,806,302.12

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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.