Home / 112,993,797.76-155,918,775.36-66,581,031.04

Finding the Fourth Proportional to 112,993,797.76, 155,918,775.36 and 66,581,031.04

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Solution

The fourth proportional to 112,993,797.76, 155,918,775.36 and 66,581,031.04 is: 91,874,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993,797.76 : 155,918,775.36 = 66,581,031.04 : x
  2. Step 2: Convert to fraction form
    112,993,797.76/155,918,775.36 = 66,581,031.04/x
  3. Step 3: Cross multiply
    112,993,797.76x = 155,918,775.36 × 66,581,031.04
  4. Step 4: Simplify right side
    112,993,797.76x = 10,381,232,821,962,948
  5. Step 5: Solve for x
    x = 10,381,232,821,962,948/112,993,797.76
  6. Step 6: Final answer
    x = 91,874,359.72

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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.