Home / 361,961,017.92-542,860,728.06-167,847,210.36

Finding the Fourth Proportional to 361,961,017.92, 542,860,728.06 and 167,847,210.36

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Solution

The fourth proportional to 361,961,017.92, 542,860,728.06 and 167,847,210.36 is: 251,733,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,961,017.92 : 542,860,728.06 = 167,847,210.36 : x
  2. Step 2: Convert to fraction form
    361,961,017.92/542,860,728.06 = 167,847,210.36/x
  3. Step 3: Cross multiply
    361,961,017.92x = 542,860,728.06 × 167,847,210.36
  4. Step 4: Simplify right side
    361,961,017.92x = 91,117,658,818,869,568
  5. Step 5: Solve for x
    x = 91,117,658,818,869,568/361,961,017.92
  6. Step 6: Final answer
    x = 251,733,347.81

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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.