Home / 402,422,022.16-603,632,279.76-126,094,390.48

Finding the Fourth Proportional to 402,422,022.16, 603,632,279.76 and 126,094,390.48

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Solution

The fourth proportional to 402,422,022.16, 603,632,279.76 and 126,094,390.48 is: 189,141,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,422,022.16 : 603,632,279.76 = 126,094,390.48 : x
  2. Step 2: Convert to fraction form
    402,422,022.16/603,632,279.76 = 126,094,390.48/x
  3. Step 3: Cross multiply
    402,422,022.16x = 603,632,279.76 × 126,094,390.48
  4. Step 4: Simplify right side
    402,422,022.16x = 76,114,644,390,390,048
  5. Step 5: Solve for x
    x = 76,114,644,390,390,048/402,422,022.16
  6. Step 6: Final answer
    x = 189,141,349.63

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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.