Home / 231,194,480.64-346,548,962.88-77,787,278.16

Finding the Fourth Proportional to 231,194,480.64, 346,548,962.88 and 77,787,278.16

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Solution

The fourth proportional to 231,194,480.64, 346,548,962.88 and 77,787,278.16 is: 116,599,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,194,480.64 : 346,548,962.88 = 77,787,278.16 : x
  2. Step 2: Convert to fraction form
    231,194,480.64/346,548,962.88 = 77,787,278.16/x
  3. Step 3: Cross multiply
    231,194,480.64x = 346,548,962.88 × 77,787,278.16
  4. Step 4: Simplify right side
    231,194,480.64x = 26,957,100,571,606,072
  5. Step 5: Solve for x
    x = 26,957,100,571,606,072/231,194,480.64
  6. Step 6: Final answer
    x = 116,599,239.29

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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.