Home / 67,918,334.28-93,729,607.62-38,154,238.98

Finding the Fourth Proportional to 67,918,334.28, 93,729,607.62 and 38,154,238.98

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Solution

The fourth proportional to 67,918,334.28, 93,729,607.62 and 38,154,238.98 is: 52,654,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918,334.28 : 93,729,607.62 = 38,154,238.98 : x
  2. Step 2: Convert to fraction form
    67,918,334.28/93,729,607.62 = 38,154,238.98/x
  3. Step 3: Cross multiply
    67,918,334.28x = 93,729,607.62 × 38,154,238.98
  4. Step 4: Simplify right side
    67,918,334.28x = 3,576,181,848,635,109
  5. Step 5: Solve for x
    x = 3,576,181,848,635,109/67,918,334.28
  6. Step 6: Final answer
    x = 52,654,145.40

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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.