Home / 228,776,464.88-315,746,032.05-139,520,191.22

Finding the Fourth Proportional to 228,776,464.88, 315,746,032.05 and 139,520,191.22

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Solution

The fourth proportional to 228,776,464.88, 315,746,032.05 and 139,520,191.22 is: 192,558,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,776,464.88 : 315,746,032.05 = 139,520,191.22 : x
  2. Step 2: Convert to fraction form
    228,776,464.88/315,746,032.05 = 139,520,191.22/x
  3. Step 3: Cross multiply
    228,776,464.88x = 315,746,032.05 × 139,520,191.22
  4. Step 4: Simplify right side
    228,776,464.88x = 44,052,946,766,993,520
  5. Step 5: Solve for x
    x = 44,052,946,766,993,520/228,776,464.88
  6. Step 6: Final answer
    x = 192,558,910.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.