Home / 134,231,311.28-201,219,401.64-85,572,602.48

Finding the Fourth Proportional to 134,231,311.28, 201,219,401.64 and 85,572,602.48

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Solution

The fourth proportional to 134,231,311.28, 201,219,401.64 and 85,572,602.48 is: 128,277,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,231,311.28 : 201,219,401.64 = 85,572,602.48 : x
  2. Step 2: Convert to fraction form
    134,231,311.28/201,219,401.64 = 85,572,602.48/x
  3. Step 3: Cross multiply
    134,231,311.28x = 201,219,401.64 × 85,572,602.48
  4. Step 4: Simplify right side
    134,231,311.28x = 17,218,867,867,803,180
  5. Step 5: Solve for x
    x = 17,218,867,867,803,180/134,231,311.28
  6. Step 6: Final answer
    x = 128,277,580.72

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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.