Home / 75,024,882.84-112,521,577.80-21,159,597.72

Finding the Fourth Proportional to 75,024,882.84, 112,521,577.80 and 21,159,597.72

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Solution

The fourth proportional to 75,024,882.84, 112,521,577.80 and 21,159,597.72 is: 31,734,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,024,882.84 : 112,521,577.80 = 21,159,597.72 : x
  2. Step 2: Convert to fraction form
    75,024,882.84/112,521,577.80 = 21,159,597.72/x
  3. Step 3: Cross multiply
    75,024,882.84x = 112,521,577.80 × 21,159,597.72
  4. Step 4: Simplify right side
    75,024,882.84x = 2,380,911,321,067,682.50
  5. Step 5: Solve for x
    x = 2,380,911,321,067,682.50/75,024,882.84
  6. Step 6: Final answer
    x = 31,734,955.54

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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.