Home / 193,147,312.40-289,720,968.60-147,797,680.40

Finding the Fourth Proportional to 193,147,312.40, 289,720,968.60 and 147,797,680.40

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Solution

The fourth proportional to 193,147,312.40, 289,720,968.60 and 147,797,680.40 is: 221,696,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,147,312.40 : 289,720,968.60 = 147,797,680.40 : x
  2. Step 2: Convert to fraction form
    193,147,312.40/289,720,968.60 = 147,797,680.40/x
  3. Step 3: Cross multiply
    193,147,312.40x = 289,720,968.60 × 147,797,680.40
  4. Step 4: Simplify right side
    193,147,312.40x = 42,820,087,122,321,240
  5. Step 5: Solve for x
    x = 42,820,087,122,321,240/193,147,312.40
  6. Step 6: Final answer
    x = 221,696,520.60

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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.