Home / 210,638,751.28-315,988,351.20-65,085,022

Finding the Fourth Proportional to 210,638,751.28, 315,988,351.20 and 65,085,022

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Solution

The fourth proportional to 210,638,751.28, 315,988,351.20 and 65,085,022 is: 97,636,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,638,751.28 : 315,988,351.20 = 65,085,022 : x
  2. Step 2: Convert to fraction form
    210,638,751.28/315,988,351.20 = 65,085,022/x
  3. Step 3: Cross multiply
    210,638,751.28x = 315,988,351.20 × 65,085,022
  4. Step 4: Simplify right side
    210,638,751.28x = 20,566,108,789,595,724
  5. Step 5: Solve for x
    x = 20,566,108,789,595,724/210,638,751.28
  6. Step 6: Final answer
    x = 97,636,871.97

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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.