Home / 133,144,460.33-199,590,719.28-78,598,930.73

Finding the Fourth Proportional to 133,144,460.33, 199,590,719.28 and 78,598,930.73

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Solution

The fourth proportional to 133,144,460.33, 199,590,719.28 and 78,598,930.73 is: 117,824,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,144,460.33 : 199,590,719.28 = 78,598,930.73 : x
  2. Step 2: Convert to fraction form
    133,144,460.33/199,590,719.28 = 78,598,930.73/x
  3. Step 3: Cross multiply
    133,144,460.33x = 199,590,719.28 × 78,598,930.73
  4. Step 4: Simplify right side
    133,144,460.33x = 15,687,617,118,041,640
  5. Step 5: Solve for x
    x = 15,687,617,118,041,640/133,144,460.33
  6. Step 6: Final answer
    x = 117,824,031.73

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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.