Home / 210,969,549-291,065,117.64-132,659,061.72

Finding the Fourth Proportional to 210,969,549, 291,065,117.64 and 132,659,061.72

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Solution

The fourth proportional to 210,969,549, 291,065,117.64 and 132,659,061.72 is: 183,023,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,969,549 : 291,065,117.64 = 132,659,061.72 : x
  2. Step 2: Convert to fraction form
    210,969,549/291,065,117.64 = 132,659,061.72/x
  3. Step 3: Cross multiply
    210,969,549x = 291,065,117.64 × 132,659,061.72
  4. Step 4: Simplify right side
    210,969,549x = 38,612,425,405,543,816
  5. Step 5: Solve for x
    x = 38,612,425,405,543,816/210,969,549
  6. Step 6: Final answer
    x = 183,023,690.33

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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.