Home / 157,648,668.89-217,550,948.04-87,082,760.34

Finding the Fourth Proportional to 157,648,668.89, 217,550,948.04 and 87,082,760.34

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Solution

The fourth proportional to 157,648,668.89, 217,550,948.04 and 87,082,760.34 is: 120,171,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,648,668.89 : 217,550,948.04 = 87,082,760.34 : x
  2. Step 2: Convert to fraction form
    157,648,668.89/217,550,948.04 = 87,082,760.34/x
  3. Step 3: Cross multiply
    157,648,668.89x = 217,550,948.04 × 87,082,760.34
  4. Step 4: Simplify right side
    157,648,668.89x = 18,944,937,069,907,112
  5. Step 5: Solve for x
    x = 18,944,937,069,907,112/157,648,668.89
  6. Step 6: Final answer
    x = 120,171,880.95

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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.