Home / 72,610,959.02-100,203,124.97-40,015,911.02

Finding the Fourth Proportional to 72,610,959.02, 100,203,124.97 and 40,015,911.02

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Solution

The fourth proportional to 72,610,959.02, 100,203,124.97 and 40,015,911.02 is: 55,221,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610,959.02 : 100,203,124.97 = 40,015,911.02 : x
  2. Step 2: Convert to fraction form
    72,610,959.02/100,203,124.97 = 40,015,911.02/x
  3. Step 3: Cross multiply
    72,610,959.02x = 100,203,124.97 × 40,015,911.02
  4. Step 4: Simplify right side
    72,610,959.02x = 4,009,719,332,024,365
  5. Step 5: Solve for x
    x = 4,009,719,332,024,365/72,610,959.02
  6. Step 6: Final answer
    x = 55,221,958.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.