Home / 135,836,670.56-187,459,218-76,308,479.96

Finding the Fourth Proportional to 135,836,670.56, 187,459,218 and 76,308,479.96

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Solution

The fourth proportional to 135,836,670.56, 187,459,218 and 76,308,479.96 is: 105,308,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,836,670.56 : 187,459,218 = 76,308,479.96 : x
  2. Step 2: Convert to fraction form
    135,836,670.56/187,459,218 = 76,308,479.96/x
  3. Step 3: Cross multiply
    135,836,670.56x = 187,459,218 × 76,308,479.96
  4. Step 4: Simplify right side
    135,836,670.56x = 14,304,727,980,070,270
  5. Step 5: Solve for x
    x = 14,304,727,980,070,270/135,836,670.56
  6. Step 6: Final answer
    x = 105,308,293.56

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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.