Home / 158,926,802.60-238,542,419.10-82,304,820.20

Finding the Fourth Proportional to 158,926,802.60, 238,542,419.10 and 82,304,820.20

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Solution

The fourth proportional to 158,926,802.60, 238,542,419.10 and 82,304,820.20 is: 123,536,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,926,802.60 : 238,542,419.10 = 82,304,820.20 : x
  2. Step 2: Convert to fraction form
    158,926,802.60/238,542,419.10 = 82,304,820.20/x
  3. Step 3: Cross multiply
    158,926,802.60x = 238,542,419.10 × 82,304,820.20
  4. Step 4: Simplify right side
    158,926,802.60x = 19,633,190,914,098,548
  5. Step 5: Solve for x
    x = 19,633,190,914,098,548/158,926,802.60
  6. Step 6: Final answer
    x = 123,536,059.32

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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.