Home / 72,036,734.74-99,410,672.86-38,996,959.34

Finding the Fourth Proportional to 72,036,734.74, 99,410,672.86 and 38,996,959.34

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Solution

The fourth proportional to 72,036,734.74, 99,410,672.86 and 38,996,959.34 is: 53,815,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036,734.74 : 99,410,672.86 = 38,996,959.34 : x
  2. Step 2: Convert to fraction form
    72,036,734.74/99,410,672.86 = 38,996,959.34/x
  3. Step 3: Cross multiply
    72,036,734.74x = 99,410,672.86 × 38,996,959.34
  4. Step 4: Simplify right side
    72,036,734.74x = 3,876,713,967,634,496
  5. Step 5: Solve for x
    x = 3,876,713,967,634,496/72,036,734.74
  6. Step 6: Final answer
    x = 53,815,792.48

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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.