Home / 70,400,305.89-105,578,847.86-48,680,242.65

Finding the Fourth Proportional to 70,400,305.89, 105,578,847.86 and 48,680,242.65

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Solution

The fourth proportional to 70,400,305.89, 105,578,847.86 and 48,680,242.65 is: 73,005,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400,305.89 : 105,578,847.86 = 48,680,242.65 : x
  2. Step 2: Convert to fraction form
    70,400,305.89/105,578,847.86 = 48,680,242.65/x
  3. Step 3: Cross multiply
    70,400,305.89x = 105,578,847.86 × 48,680,242.65
  4. Step 4: Simplify right side
    70,400,305.89x = 5,139,603,932,288,832
  5. Step 5: Solve for x
    x = 5,139,603,932,288,832/70,400,305.89
  6. Step 6: Final answer
    x = 73,005,420.46

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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.