Home / 279,989,443.07-386,327,748.56-160,889,022.51

Finding the Fourth Proportional to 279,989,443.07, 386,327,748.56 and 160,889,022.51

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Solution

The fourth proportional to 279,989,443.07, 386,327,748.56 and 160,889,022.51 is: 221,993,705.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,989,443.07 : 386,327,748.56 = 160,889,022.51 : x
  2. Step 2: Convert to fraction form
    279,989,443.07/386,327,748.56 = 160,889,022.51/x
  3. Step 3: Cross multiply
    279,989,443.07x = 386,327,748.56 × 160,889,022.51
  4. Step 4: Simplify right side
    279,989,443.07x = 62,155,893,832,537,192
  5. Step 5: Solve for x
    x = 62,155,893,832,537,192/279,989,443.07
  6. Step 6: Final answer
    x = 221,993,705.02

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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.