Home / 402,422,021.16-603,632,278.26-126,094,389.48

Finding the Fourth Proportional to 402,422,021.16, 603,632,278.26 and 126,094,389.48

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Solution

The fourth proportional to 402,422,021.16, 603,632,278.26 and 126,094,389.48 is: 189,141,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,422,021.16 : 603,632,278.26 = 126,094,389.48 : x
  2. Step 2: Convert to fraction form
    402,422,021.16/603,632,278.26 = 126,094,389.48/x
  3. Step 3: Cross multiply
    402,422,021.16x = 603,632,278.26 × 126,094,389.48
  4. Step 4: Simplify right side
    402,422,021.16x = 76,114,643,597,616,176
  5. Step 5: Solve for x
    x = 76,114,643,597,616,176/402,422,021.16
  6. Step 6: Final answer
    x = 189,141,348.13

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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.