Home / 57,063,998.24-78,748,468.56-30,958,515.24

Finding the Fourth Proportional to 57,063,998.24, 78,748,468.56 and 30,958,515.24

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Solution

The fourth proportional to 57,063,998.24, 78,748,468.56 and 30,958,515.24 is: 42,722,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063,998.24 : 78,748,468.56 = 30,958,515.24 : x
  2. Step 2: Convert to fraction form
    57,063,998.24/78,748,468.56 = 30,958,515.24/x
  3. Step 3: Cross multiply
    57,063,998.24x = 78,748,468.56 × 30,958,515.24
  4. Step 4: Simplify right side
    57,063,998.24x = 2,437,935,664,041,421
  5. Step 5: Solve for x
    x = 2,437,935,664,041,421/57,063,998.24
  6. Step 6: Final answer
    x = 42,722,832.95

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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.