Home / 70,561,921.20-105,688,566.96-50,029,402.92

Finding the Fourth Proportional to 70,561,921.20, 105,688,566.96 and 50,029,402.92

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Solution

The fourth proportional to 70,561,921.20, 105,688,566.96 and 50,029,402.92 is: 74,934,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,561,921.20 : 105,688,566.96 = 50,029,402.92 : x
  2. Step 2: Convert to fraction form
    70,561,921.20/105,688,566.96 = 50,029,402.92/x
  3. Step 3: Cross multiply
    70,561,921.20x = 105,688,566.96 × 50,029,402.92
  4. Step 4: Simplify right side
    70,561,921.20x = 5,287,535,900,479,239
  5. Step 5: Solve for x
    x = 5,287,535,900,479,239/70,561,921.20
  6. Step 6: Final answer
    x = 74,934,692.97

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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.