Home / 64,048,544-96,082,769.28-21,508,225.28

Finding the Fourth Proportional to 64,048,544, 96,082,769.28 and 21,508,225.28

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Solution

The fourth proportional to 64,048,544, 96,082,769.28 and 21,508,225.28 is: 32,265,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,048,544 : 96,082,769.28 = 21,508,225.28 : x
  2. Step 2: Convert to fraction form
    64,048,544/96,082,769.28 = 21,508,225.28/x
  3. Step 3: Cross multiply
    64,048,544x = 96,082,769.28 × 21,508,225.28
  4. Step 4: Simplify right side
    64,048,544x = 2,066,569,847,200,503.50
  5. Step 5: Solve for x
    x = 2,066,569,847,200,503.50/64,048,544
  6. Step 6: Final answer
    x = 32,265,680.34

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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.