Home / 113,014,266.78-155,920,309.56-71,202,066.78

Finding the Fourth Proportional to 113,014,266.78, 155,920,309.56 and 71,202,066.78

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Solution

The fourth proportional to 113,014,266.78, 155,920,309.56 and 71,202,066.78 is: 98,234,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,014,266.78 : 155,920,309.56 = 71,202,066.78 : x
  2. Step 2: Convert to fraction form
    113,014,266.78/155,920,309.56 = 71,202,066.78/x
  3. Step 3: Cross multiply
    113,014,266.78x = 155,920,309.56 × 71,202,066.78
  4. Step 4: Simplify right side
    113,014,266.78x = 11,101,848,293,649,392
  5. Step 5: Solve for x
    x = 11,101,848,293,649,392/113,014,266.78
  6. Step 6: Final answer
    x = 98,234,042.57

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1.5x scale

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.