Home / 193,733,366.20-290,712,023.70-72,577,065.40

Finding the Fourth Proportional to 193,733,366.20, 290,712,023.70 and 72,577,065.40

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Solution

The fourth proportional to 193,733,366.20, 290,712,023.70 and 72,577,065.40 is: 108,907,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,733,366.20 : 290,712,023.70 = 72,577,065.40 : x
  2. Step 2: Convert to fraction form
    193,733,366.20/290,712,023.70 = 72,577,065.40/x
  3. Step 3: Cross multiply
    193,733,366.20x = 290,712,023.70 × 72,577,065.40
  4. Step 4: Simplify right side
    193,733,366.20x = 21,099,025,556,641,252
  5. Step 5: Solve for x
    x = 21,099,025,556,641,252/193,733,366.20
  6. Step 6: Final answer
    x = 108,907,546.34

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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.