Home / 207,234,238.24-310,847,015.76-69,069,846.88

Finding the Fourth Proportional to 207,234,238.24, 310,847,015.76 and 69,069,846.88

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Solution

The fourth proportional to 207,234,238.24, 310,847,015.76 and 69,069,846.88 is: 103,603,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,234,238.24 : 310,847,015.76 = 69,069,846.88 : x
  2. Step 2: Convert to fraction form
    207,234,238.24/310,847,015.76 = 69,069,846.88/x
  3. Step 3: Cross multiply
    207,234,238.24x = 310,847,015.76 × 69,069,846.88
  4. Step 4: Simplify right side
    207,234,238.24x = 21,470,155,781,648,144
  5. Step 5: Solve for x
    x = 21,470,155,781,648,144/207,234,238.24
  6. Step 6: Final answer
    x = 103,603,323.29

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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.