Home / 264,979,116.07-397,511,814.83-78,251,946.39

Finding the Fourth Proportional to 264,979,116.07, 397,511,814.83 and 78,251,946.39

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Solution

The fourth proportional to 264,979,116.07, 397,511,814.83 and 78,251,946.39 is: 117,390,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,979,116.07 : 397,511,814.83 = 78,251,946.39 : x
  2. Step 2: Convert to fraction form
    264,979,116.07/397,511,814.83 = 78,251,946.39/x
  3. Step 3: Cross multiply
    264,979,116.07x = 397,511,814.83 × 78,251,946.39
  4. Step 4: Simplify right side
    264,979,116.07x = 31,106,073,223,077,508
  5. Step 5: Solve for x
    x = 31,106,073,223,077,508/264,979,116.07
  6. Step 6: Final answer
    x = 117,390,659.63

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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.