Home / 42,707,430.75-64,163,344.41-27,384,741.05

Finding the Fourth Proportional to 42,707,430.75, 64,163,344.41 and 27,384,741.05

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Solution

The fourth proportional to 42,707,430.75, 64,163,344.41 and 27,384,741.05 is: 41,142,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,430.75 : 64,163,344.41 = 27,384,741.05 : x
  2. Step 2: Convert to fraction form
    42,707,430.75/64,163,344.41 = 27,384,741.05/x
  3. Step 3: Cross multiply
    42,707,430.75x = 64,163,344.41 × 27,384,741.05
  4. Step 4: Simplify right side
    42,707,430.75x = 1,757,096,571,248,998.25
  5. Step 5: Solve for x
    x = 1,757,096,571,248,998.25/42,707,430.75
  6. Step 6: Final answer
    x = 41,142,642.87

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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.