Home / 74,685,771.90-112,028,657.85-70,150,808.70

Finding the Fourth Proportional to 74,685,771.90, 112,028,657.85 and 70,150,808.70

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Solution

The fourth proportional to 74,685,771.90, 112,028,657.85 and 70,150,808.70 is: 105,226,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,685,771.90 : 112,028,657.85 = 70,150,808.70 : x
  2. Step 2: Convert to fraction form
    74,685,771.90/112,028,657.85 = 70,150,808.70/x
  3. Step 3: Cross multiply
    74,685,771.90x = 112,028,657.85 × 70,150,808.70
  4. Step 4: Simplify right side
    74,685,771.90x = 7,858,900,945,753,103
  5. Step 5: Solve for x
    x = 7,858,900,945,753,103/74,685,771.90
  6. Step 6: Final answer
    x = 105,226,213.05

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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.