Home / 315,993,742.54-436,088,314.92-176,756,200.54

Finding the Fourth Proportional to 315,993,742.54, 436,088,314.92 and 176,756,200.54

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Solution

The fourth proportional to 315,993,742.54, 436,088,314.92 and 176,756,200.54 is: 243,933,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,993,742.54 : 436,088,314.92 = 176,756,200.54 : x
  2. Step 2: Convert to fraction form
    315,993,742.54/436,088,314.92 = 176,756,200.54/x
  3. Step 3: Cross multiply
    315,993,742.54x = 436,088,314.92 × 176,756,200.54
  4. Step 4: Simplify right side
    315,993,742.54x = 77,081,313,645,150,192
  5. Step 5: Solve for x
    x = 77,081,313,645,150,192/315,993,742.54
  6. Step 6: Final answer
    x = 243,933,038.12

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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.