Home / 105,973,003.20-159,030,363.60-48,435,657.60

Finding the Fourth Proportional to 105,973,003.20, 159,030,363.60 and 48,435,657.60

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Solution

The fourth proportional to 105,973,003.20, 159,030,363.60 and 48,435,657.60 is: 72,685,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,973,003.20 : 159,030,363.60 = 48,435,657.60 : x
  2. Step 2: Convert to fraction form
    105,973,003.20/159,030,363.60 = 48,435,657.60/x
  3. Step 3: Cross multiply
    105,973,003.20x = 159,030,363.60 × 48,435,657.60
  4. Step 4: Simplify right side
    105,973,003.20x = 7,702,740,239,333,103
  5. Step 5: Solve for x
    x = 7,702,740,239,333,103/105,973,003.20
  6. Step 6: Final answer
    x = 72,685,872.88

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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.