Home / 45,554,867.64-68,318,240.40-13,209,154.38

Finding the Fourth Proportional to 45,554,867.64, 68,318,240.40 and 13,209,154.38

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Solution

The fourth proportional to 45,554,867.64, 68,318,240.40 and 13,209,154.38 is: 19,809,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554,867.64 : 68,318,240.40 = 13,209,154.38 : x
  2. Step 2: Convert to fraction form
    45,554,867.64/68,318,240.40 = 13,209,154.38/x
  3. Step 3: Cross multiply
    45,554,867.64x = 68,318,240.40 × 13,209,154.38
  4. Step 4: Simplify right side
    45,554,867.64x = 902,426,184,413,553.12
  5. Step 5: Solve for x
    x = 902,426,184,413,553.12/45,554,867.64
  6. Step 6: Final answer
    x = 19,809,654.40

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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.