Home / 72,036,713.75-99,410,643.92-38,996,938.37

Finding the Fourth Proportional to 72,036,713.75, 99,410,643.92 and 38,996,938.37

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Solution

The fourth proportional to 72,036,713.75, 99,410,643.92 and 38,996,938.37 is: 53,815,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036,713.75 : 99,410,643.92 = 38,996,938.37 : x
  2. Step 2: Convert to fraction form
    72,036,713.75/99,410,643.92 = 38,996,938.37/x
  3. Step 3: Cross multiply
    72,036,713.75x = 99,410,643.92 × 38,996,938.37
  4. Step 4: Simplify right side
    72,036,713.75x = 3,876,710,753,837,731.50
  5. Step 5: Solve for x
    x = 3,876,710,753,837,731.50/72,036,713.75
  6. Step 6: Final answer
    x = 53,815,763.55

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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.