Home / 42,834,676.62-64,197,427.40-20,065,382.22

Finding the Fourth Proportional to 42,834,676.62, 64,197,427.40 and 20,065,382.22

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Solution

The fourth proportional to 42,834,676.62, 64,197,427.40 and 20,065,382.22 is: 30,072,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,834,676.62 : 64,197,427.40 = 20,065,382.22 : x
  2. Step 2: Convert to fraction form
    42,834,676.62/64,197,427.40 = 20,065,382.22/x
  3. Step 3: Cross multiply
    42,834,676.62x = 64,197,427.40 × 20,065,382.22
  4. Step 4: Simplify right side
    42,834,676.62x = 1,288,145,918,321,700.75
  5. Step 5: Solve for x
    x = 1,288,145,918,321,700.75/42,834,676.62
  6. Step 6: Final answer
    x = 30,072,502.47

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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.