Home / 135,433,072.21-186,909,166.56-76,706,184.51

Finding the Fourth Proportional to 135,433,072.21, 186,909,166.56 and 76,706,184.51

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Solution

The fourth proportional to 135,433,072.21, 186,909,166.56 and 76,706,184.51 is: 105,861,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,433,072.21 : 186,909,166.56 = 76,706,184.51 : x
  2. Step 2: Convert to fraction form
    135,433,072.21/186,909,166.56 = 76,706,184.51/x
  3. Step 3: Cross multiply
    135,433,072.21x = 186,909,166.56 × 76,706,184.51
  4. Step 4: Simplify right side
    135,433,072.21x = 14,337,089,016,761,684
  5. Step 5: Solve for x
    x = 14,337,089,016,761,684/135,433,072.21
  6. Step 6: Final answer
    x = 105,861,063.20

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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.