Home / 45,319,484.28-68,007,569.94-18,393,140.28

Finding the Fourth Proportional to 45,319,484.28, 68,007,569.94 and 18,393,140.28

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Solution

The fourth proportional to 45,319,484.28, 68,007,569.94 and 18,393,140.28 is: 27,601,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319,484.28 : 68,007,569.94 = 18,393,140.28 : x
  2. Step 2: Convert to fraction form
    45,319,484.28/68,007,569.94 = 18,393,140.28/x
  3. Step 3: Cross multiply
    45,319,484.28x = 68,007,569.94 × 18,393,140.28
  4. Step 4: Simplify right side
    45,319,484.28x = 1,250,872,774,008,331.25
  5. Step 5: Solve for x
    x = 1,250,872,774,008,331.25/45,319,484.28
  6. Step 6: Final answer
    x = 27,601,213.78

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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.