Home / 70,459,439.68-105,654,581.83-28,952,796.65

Finding the Fourth Proportional to 70,459,439.68, 105,654,581.83 and 28,952,796.65

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Solution

The fourth proportional to 70,459,439.68, 105,654,581.83 and 28,952,796.65 is: 43,414,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459,439.68 : 105,654,581.83 = 28,952,796.65 : x
  2. Step 2: Convert to fraction form
    70,459,439.68/105,654,581.83 = 28,952,796.65/x
  3. Step 3: Cross multiply
    70,459,439.68x = 105,654,581.83 × 28,952,796.65
  4. Step 4: Simplify right side
    70,459,439.68x = 3,058,995,622,864,774.50
  5. Step 5: Solve for x
    x = 3,058,995,622,864,774.50/70,459,439.68
  6. Step 6: Final answer
    x = 43,414,986.51

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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.