Home / 279,989,442.89-386,327,748.31-160,889,022.32

Finding the Fourth Proportional to 279,989,442.89, 386,327,748.31 and 160,889,022.32

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Solution

The fourth proportional to 279,989,442.89, 386,327,748.31 and 160,889,022.32 is: 221,993,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,989,442.89 : 386,327,748.31 = 160,889,022.32 : x
  2. Step 2: Convert to fraction form
    279,989,442.89/386,327,748.31 = 160,889,022.32/x
  3. Step 3: Cross multiply
    279,989,442.89x = 386,327,748.31 × 160,889,022.32
  4. Step 4: Simplify right side
    279,989,442.89x = 62,155,893,719,878,488
  5. Step 5: Solve for x
    x = 62,155,893,719,878,488/279,989,442.89
  6. Step 6: Final answer
    x = 221,993,704.76

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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.