Home / 126,024,644.23-188,680,478.56-66,802,081.59

Finding the Fourth Proportional to 126,024,644.23, 188,680,478.56 and 66,802,081.59

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Solution

The fourth proportional to 126,024,644.23, 188,680,478.56 and 66,802,081.59 is: 100,014,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024,644.23 : 188,680,478.56 = 66,802,081.59 : x
  2. Step 2: Convert to fraction form
    126,024,644.23/188,680,478.56 = 66,802,081.59/x
  3. Step 3: Cross multiply
    126,024,644.23x = 188,680,478.56 × 66,802,081.59
  4. Step 4: Simplify right side
    126,024,644.23x = 12,604,248,723,038,362
  5. Step 5: Solve for x
    x = 12,604,248,723,038,362/126,024,644.23
  6. Step 6: Final answer
    x = 100,014,158.34

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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.