Home / 245,423,333.72-338,683,964.83-135,415,052.12

Finding the Fourth Proportional to 245,423,333.72, 338,683,964.83 and 135,415,052.12

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Solution

The fourth proportional to 245,423,333.72, 338,683,964.83 and 135,415,052.12 is: 186,872,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,423,333.72 : 338,683,964.83 = 135,415,052.12 : x
  2. Step 2: Convert to fraction form
    245,423,333.72/338,683,964.83 = 135,415,052.12/x
  3. Step 3: Cross multiply
    245,423,333.72x = 338,683,964.83 × 135,415,052.12
  4. Step 4: Simplify right side
    245,423,333.72x = 45,862,906,747,630,744
  5. Step 5: Solve for x
    x = 45,862,906,747,630,744/245,423,333.72
  6. Step 6: Final answer
    x = 186,872,641.87

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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.