Home / 135,433,072.71-186,909,167.25-76,706,185.01

Finding the Fourth Proportional to 135,433,072.71, 186,909,167.25 and 76,706,185.01

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Solution

The fourth proportional to 135,433,072.71, 186,909,167.25 and 76,706,185.01 is: 105,861,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,433,072.71 : 186,909,167.25 = 76,706,185.01 : x
  2. Step 2: Convert to fraction form
    135,433,072.71/186,909,167.25 = 76,706,185.01/x
  3. Step 3: Cross multiply
    135,433,072.71x = 186,909,167.25 × 76,706,185.01
  4. Step 4: Simplify right side
    135,433,072.71x = 14,337,089,163,143,534
  5. Step 5: Solve for x
    x = 14,337,089,163,143,534/135,433,072.71
  6. Step 6: Final answer
    x = 105,861,063.89

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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.