Home / 156,381,470.55-215,041,154.27-135,719,044.47

Finding the Fourth Proportional to 156,381,470.55, 215,041,154.27 and 135,719,044.47

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Solution

The fourth proportional to 156,381,470.55, 215,041,154.27 and 135,719,044.47 is: 186,628,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,381,470.55 : 215,041,154.27 = 135,719,044.47 : x
  2. Step 2: Convert to fraction form
    156,381,470.55/215,041,154.27 = 135,719,044.47/x
  3. Step 3: Cross multiply
    156,381,470.55x = 215,041,154.27 × 135,719,044.47
  4. Step 4: Simplify right side
    156,381,470.55x = 29,185,179,978,571,664
  5. Step 5: Solve for x
    x = 29,185,179,978,571,664/156,381,470.55
  6. Step 6: Final answer
    x = 186,628,120.81

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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.