Home / 193,162,642.80-289,743,964.20-63,790,220.40

Finding the Fourth Proportional to 193,162,642.80, 289,743,964.20 and 63,790,220.40

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Solution

The fourth proportional to 193,162,642.80, 289,743,964.20 and 63,790,220.40 is: 95,685,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,162,642.80 : 289,743,964.20 = 63,790,220.40 : x
  2. Step 2: Convert to fraction form
    193,162,642.80/289,743,964.20 = 63,790,220.40/x
  3. Step 3: Cross multiply
    193,162,642.80x = 289,743,964.20 × 63,790,220.40
  4. Step 4: Simplify right side
    193,162,642.80x = 18,482,831,335,887,708
  5. Step 5: Solve for x
    x = 18,482,831,335,887,708/193,162,642.80
  6. Step 6: Final answer
    x = 95,685,330.60

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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.