Home / 209,331,088.08-288,871,756.56-115,244,452.68

Finding the Fourth Proportional to 209,331,088.08, 288,871,756.56 and 115,244,452.68

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Solution

The fourth proportional to 209,331,088.08, 288,871,756.56 and 115,244,452.68 is: 159,034,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,331,088.08 : 288,871,756.56 = 115,244,452.68 : x
  2. Step 2: Convert to fraction form
    209,331,088.08/288,871,756.56 = 115,244,452.68/x
  3. Step 3: Cross multiply
    209,331,088.08x = 288,871,756.56 × 115,244,452.68
  4. Step 4: Simplify right side
    209,331,088.08x = 33,290,867,479,467,400
  5. Step 5: Solve for x
    x = 33,290,867,479,467,400/209,331,088.08
  6. Step 6: Final answer
    x = 159,034,512.19

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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.