Home / 47,236,411.20-70,886,109.60-21,664,257.60

Finding the Fourth Proportional to 47,236,411.20, 70,886,109.60 and 21,664,257.60

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Solution

The fourth proportional to 47,236,411.20, 70,886,109.60 and 21,664,257.60 is: 32,510,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236,411.20 : 70,886,109.60 = 21,664,257.60 : x
  2. Step 2: Convert to fraction form
    47,236,411.20/70,886,109.60 = 21,664,257.60/x
  3. Step 3: Cross multiply
    47,236,411.20x = 70,886,109.60 × 21,664,257.60
  4. Step 4: Simplify right side
    47,236,411.20x = 1,535,694,938,636,233
  5. Step 5: Solve for x
    x = 1,535,694,938,636,233/47,236,411.20
  6. Step 6: Final answer
    x = 32,510,830.09

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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.