Home / 402,422,014.13-603,632,267.76-126,094,382.47

Finding the Fourth Proportional to 402,422,014.13, 603,632,267.76 and 126,094,382.47

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Solution

The fourth proportional to 402,422,014.13, 603,632,267.76 and 126,094,382.47 is: 189,141,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,422,014.13 : 603,632,267.76 = 126,094,382.47 : x
  2. Step 2: Convert to fraction form
    402,422,014.13/603,632,267.76 = 126,094,382.47/x
  3. Step 3: Cross multiply
    402,422,014.13x = 603,632,267.76 × 126,094,382.47
  4. Step 4: Simplify right side
    402,422,014.13x = 76,114,638,039,144,736
  5. Step 5: Solve for x
    x = 76,114,638,039,144,736/402,422,014.13
  6. Step 6: Final answer
    x = 189,141,337.62

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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.