Home / 133,527,638.28-199,946,509.80-92,156,173.86

Finding the Fourth Proportional to 133,527,638.28, 199,946,509.80 and 92,156,173.86

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Solution

The fourth proportional to 133,527,638.28, 199,946,509.80 and 92,156,173.86 is: 137,996,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,527,638.28 : 199,946,509.80 = 92,156,173.86 : x
  2. Step 2: Convert to fraction form
    133,527,638.28/199,946,509.80 = 92,156,173.86/x
  3. Step 3: Cross multiply
    133,527,638.28x = 199,946,509.80 × 92,156,173.86
  4. Step 4: Simplify right side
    133,527,638.28x = 18,426,305,319,828,996
  5. Step 5: Solve for x
    x = 18,426,305,319,828,996/133,527,638.28
  6. Step 6: Final answer
    x = 137,996,189.83

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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.