Home / 210,969,560-291,065,132.82-132,659,072.72

Finding the Fourth Proportional to 210,969,560, 291,065,132.82 and 132,659,072.72

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Solution

The fourth proportional to 210,969,560, 291,065,132.82 and 132,659,072.72 is: 183,023,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,969,560 : 291,065,132.82 = 132,659,072.72 : x
  2. Step 2: Convert to fraction form
    210,969,560/291,065,132.82 = 132,659,072.72/x
  3. Step 3: Cross multiply
    210,969,560x = 291,065,132.82 × 132,659,072.72
  4. Step 4: Simplify right side
    210,969,560x = 38,612,430,621,024,840
  5. Step 5: Solve for x
    x = 38,612,430,621,024,840/210,969,560
  6. Step 6: Final answer
    x = 183,023,705.51

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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.