Home / 189,559,519.20-284,339,278.80-157,247,906.40

Finding the Fourth Proportional to 189,559,519.20, 284,339,278.80 and 157,247,906.40

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Solution

The fourth proportional to 189,559,519.20, 284,339,278.80 and 157,247,906.40 is: 235,871,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,559,519.20 : 284,339,278.80 = 157,247,906.40 : x
  2. Step 2: Convert to fraction form
    189,559,519.20/284,339,278.80 = 157,247,906.40/x
  3. Step 3: Cross multiply
    189,559,519.20x = 284,339,278.80 × 157,247,906.40
  4. Step 4: Simplify right side
    189,559,519.20x = 44,711,756,298,585,904
  5. Step 5: Solve for x
    x = 44,711,756,298,585,904/189,559,519.20
  6. Step 6: Final answer
    x = 235,871,859.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.