Home / 217,546,885.66-300,205,506.90-118,425,569.72

Finding the Fourth Proportional to 217,546,885.66, 300,205,506.90 and 118,425,569.72

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Solution

The fourth proportional to 217,546,885.66, 300,205,506.90 and 118,425,569.72 is: 163,422,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,546,885.66 : 300,205,506.90 = 118,425,569.72 : x
  2. Step 2: Convert to fraction form
    217,546,885.66/300,205,506.90 = 118,425,569.72/x
  3. Step 3: Cross multiply
    217,546,885.66x = 300,205,506.90 × 118,425,569.72
  4. Step 4: Simplify right side
    217,546,885.66x = 35,552,008,187,713,888
  5. Step 5: Solve for x
    x = 35,552,008,187,713,888/217,546,885.66
  6. Step 6: Final answer
    x = 163,422,280.58

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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.