Home / 75,607,315.20-113,410,972.80-21,754,627.20

Finding the Fourth Proportional to 75,607,315.20, 113,410,972.80 and 21,754,627.20

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Solution

The fourth proportional to 75,607,315.20, 113,410,972.80 and 21,754,627.20 is: 32,631,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,607,315.20 : 113,410,972.80 = 21,754,627.20 : x
  2. Step 2: Convert to fraction form
    75,607,315.20/113,410,972.80 = 21,754,627.20/x
  3. Step 3: Cross multiply
    75,607,315.20x = 113,410,972.80 × 21,754,627.20
  4. Step 4: Simplify right side
    75,607,315.20x = 2,467,213,433,653,340
  5. Step 5: Solve for x
    x = 2,467,213,433,653,340/75,607,315.20
  6. Step 6: Final answer
    x = 32,631,940.80

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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.