Home / 228,776,478.60-315,746,050.97-139,520,204.94

Finding the Fourth Proportional to 228,776,478.60, 315,746,050.97 and 139,520,204.94

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Solution

The fourth proportional to 228,776,478.60, 315,746,050.97 and 139,520,204.94 is: 192,558,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,776,478.60 : 315,746,050.97 = 139,520,204.94 : x
  2. Step 2: Convert to fraction form
    228,776,478.60/315,746,050.97 = 139,520,204.94/x
  3. Step 3: Cross multiply
    228,776,478.60x = 315,746,050.97 × 139,520,204.94
  4. Step 4: Simplify right side
    228,776,478.60x = 44,052,953,740,155,688
  5. Step 5: Solve for x
    x = 44,052,953,740,155,688/228,776,478.60
  6. Step 6: Final answer
    x = 192,558,929.18

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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.