Home / 228,776,479.35-315,746,052-139,520,205.69

Finding the Fourth Proportional to 228,776,479.35, 315,746,052 and 139,520,205.69

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Solution

The fourth proportional to 228,776,479.35, 315,746,052 and 139,520,205.69 is: 192,558,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,776,479.35 : 315,746,052 = 139,520,205.69 : x
  2. Step 2: Convert to fraction form
    228,776,479.35/315,746,052 = 139,520,205.69/x
  3. Step 3: Cross multiply
    228,776,479.35x = 315,746,052 × 139,520,205.69
  4. Step 4: Simplify right side
    228,776,479.35x = 44,052,954,120,845,432
  5. Step 5: Solve for x
    x = 44,052,954,120,845,432/228,776,479.35
  6. Step 6: Final answer
    x = 192,558,930.21

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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.