Home / 174,541,432.60-261,812,148.90-77,394,017.80

Finding the Fourth Proportional to 174,541,432.60, 261,812,148.90 and 77,394,017.80

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Solution

The fourth proportional to 174,541,432.60, 261,812,148.90 and 77,394,017.80 is: 116,091,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,541,432.60 : 261,812,148.90 = 77,394,017.80 : x
  2. Step 2: Convert to fraction form
    174,541,432.60/261,812,148.90 = 77,394,017.80/x
  3. Step 3: Cross multiply
    174,541,432.60x = 261,812,148.90 × 77,394,017.80
  4. Step 4: Simplify right side
    174,541,432.60x = 20,262,694,112,222,852
  5. Step 5: Solve for x
    x = 20,262,694,112,222,852/174,541,432.60
  6. Step 6: Final answer
    x = 116,091,026.70

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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.