Home / 124,407,999.40-186,479,288.70-47,701,388.20

Finding the Fourth Proportional to 124,407,999.40, 186,479,288.70 and 47,701,388.20

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Solution

The fourth proportional to 124,407,999.40, 186,479,288.70 and 47,701,388.20 is: 71,501,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,407,999.40 : 186,479,288.70 = 47,701,388.20 : x
  2. Step 2: Convert to fraction form
    124,407,999.40/186,479,288.70 = 47,701,388.20/x
  3. Step 3: Cross multiply
    124,407,999.40x = 186,479,288.70 × 47,701,388.20
  4. Step 4: Simplify right side
    124,407,999.40x = 8,895,320,941,538,573
  5. Step 5: Solve for x
    x = 8,895,320,941,538,573/124,407,999.40
  6. Step 6: Final answer
    x = 71,501,197.55

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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.