Home / 54,980,612.16-82,473,769.44-14,040,438.72

Finding the Fourth Proportional to 54,980,612.16, 82,473,769.44 and 14,040,438.72

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Solution

The fourth proportional to 54,980,612.16, 82,473,769.44 and 14,040,438.72 is: 21,061,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980,612.16 : 82,473,769.44 = 14,040,438.72 : x
  2. Step 2: Convert to fraction form
    54,980,612.16/82,473,769.44 = 14,040,438.72/x
  3. Step 3: Cross multiply
    54,980,612.16x = 82,473,769.44 × 14,040,438.72
  4. Step 4: Simplify right side
    54,980,612.16x = 1,157,967,905,829,728.75
  5. Step 5: Solve for x
    x = 1,157,967,905,829,728.75/54,980,612.16
  6. Step 6: Final answer
    x = 21,061,386.19

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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.