Home / 71,657,507.37-107,486,541.27-21,802,824.75

Finding the Fourth Proportional to 71,657,507.37, 107,486,541.27 and 21,802,824.75

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Solution

The fourth proportional to 71,657,507.37, 107,486,541.27 and 21,802,824.75 is: 32,704,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,657,507.37 : 107,486,541.27 = 21,802,824.75 : x
  2. Step 2: Convert to fraction form
    71,657,507.37/107,486,541.27 = 21,802,824.75/x
  3. Step 3: Cross multiply
    71,657,507.37x = 107,486,541.27 × 21,802,824.75
  4. Step 4: Simplify right side
    71,657,507.37x = 2,343,510,222,293,452.50
  5. Step 5: Solve for x
    x = 2,343,510,222,293,452.50/71,657,507.37
  6. Step 6: Final answer
    x = 32,704,322.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.