Home / 252,106,508.76-347,907,314.61-139,073,451.72

Finding the Fourth Proportional to 252,106,508.76, 347,907,314.61 and 139,073,451.72

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Solution

The fourth proportional to 252,106,508.76, 347,907,314.61 and 139,073,451.72 is: 191,921,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,106,508.76 : 347,907,314.61 = 139,073,451.72 : x
  2. Step 2: Convert to fraction form
    252,106,508.76/347,907,314.61 = 139,073,451.72/x
  3. Step 3: Cross multiply
    252,106,508.76x = 347,907,314.61 × 139,073,451.72
  4. Step 4: Simplify right side
    252,106,508.76x = 48,384,671,121,448,688
  5. Step 5: Solve for x
    x = 48,384,671,121,448,688/252,106,508.76
  6. Step 6: Final answer
    x = 191,921,546.81

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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.