Home / 289,165,356.60-434,083,958.10-174,279,622.20

Finding the Fourth Proportional to 289,165,356.60, 434,083,958.10 and 174,279,622.20

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Solution

The fourth proportional to 289,165,356.60, 434,083,958.10 and 174,279,622.20 is: 261,621,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,165,356.60 : 434,083,958.10 = 174,279,622.20 : x
  2. Step 2: Convert to fraction form
    289,165,356.60/434,083,958.10 = 174,279,622.20/x
  3. Step 3: Cross multiply
    289,165,356.60x = 434,083,958.10 × 174,279,622.20
  4. Step 4: Simplify right side
    289,165,356.60x = 75,651,988,220,748,624
  5. Step 5: Solve for x
    x = 75,651,988,220,748,624/289,165,356.60
  6. Step 6: Final answer
    x = 261,621,893.82

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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.