Home / 264,979,155.26-397,511,873.52-78,251,985.56

Finding the Fourth Proportional to 264,979,155.26, 397,511,873.52 and 78,251,985.56

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Solution

The fourth proportional to 264,979,155.26, 397,511,873.52 and 78,251,985.56 is: 117,390,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,979,155.26 : 397,511,873.52 = 78,251,985.56 : x
  2. Step 2: Convert to fraction form
    264,979,155.26/397,511,873.52 = 78,251,985.56/x
  3. Step 3: Cross multiply
    264,979,155.26x = 397,511,873.52 × 78,251,985.56
  4. Step 4: Simplify right side
    264,979,155.26x = 31,106,093,386,615,584
  5. Step 5: Solve for x
    x = 31,106,093,386,615,584/264,979,155.26
  6. Step 6: Final answer
    x = 117,390,718.36

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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.