Home / 151,719,724.34-209,372,449.84-82,105,105.22

Finding the Fourth Proportional to 151,719,724.34, 209,372,449.84 and 82,105,105.22

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Solution

The fourth proportional to 151,719,724.34, 209,372,449.84 and 82,105,105.22 is: 113,304,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719,724.34 : 209,372,449.84 = 82,105,105.22 : x
  2. Step 2: Convert to fraction form
    151,719,724.34/209,372,449.84 = 82,105,105.22/x
  3. Step 3: Cross multiply
    151,719,724.34x = 209,372,449.84 × 82,105,105.22
  4. Step 4: Simplify right side
    151,719,724.34x = 17,190,547,024,282,372
  5. Step 5: Solve for x
    x = 17,190,547,024,282,372/151,719,724.34
  6. Step 6: Final answer
    x = 113,304,628.64

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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.