Home / 217,593,025.13-300,285,744.40-118,477,616.51

Finding the Fourth Proportional to 217,593,025.13, 300,285,744.40 and 118,477,616.51

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Solution

The fourth proportional to 217,593,025.13, 300,285,744.40 and 118,477,616.51 is: 163,503,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,593,025.13 : 300,285,744.40 = 118,477,616.51 : x
  2. Step 2: Convert to fraction form
    217,593,025.13/300,285,744.40 = 118,477,616.51/x
  3. Step 3: Cross multiply
    217,593,025.13x = 300,285,744.40 × 118,477,616.51
  4. Step 4: Simplify right side
    217,593,025.13x = 35,577,139,269,341,892
  5. Step 5: Solve for x
    x = 35,577,139,269,341,892/217,593,025.13
  6. Step 6: Final answer
    x = 163,503,123.54

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1.5x scale

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.