Home / 85,132,336.83-117,482,623.62-45,974,112.42

Finding the Fourth Proportional to 85,132,336.83, 117,482,623.62 and 45,974,112.42

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Solution

The fourth proportional to 85,132,336.83, 117,482,623.62 and 45,974,112.42 is: 63,444,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132,336.83 : 117,482,623.62 = 45,974,112.42 : x
  2. Step 2: Convert to fraction form
    85,132,336.83/117,482,623.62 = 45,974,112.42/x
  3. Step 3: Cross multiply
    85,132,336.83x = 117,482,623.62 × 45,974,112.42
  4. Step 4: Simplify right side
    85,132,336.83x = 5,401,159,345,702,428
  5. Step 5: Solve for x
    x = 5,401,159,345,702,428/85,132,336.83
  6. Step 6: Final answer
    x = 63,444,274.49

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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.