Home / 156,044,140.89-234,151,905.24-90,545,366.22

Finding the Fourth Proportional to 156,044,140.89, 234,151,905.24 and 90,545,366.22

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Solution

The fourth proportional to 156,044,140.89, 234,151,905.24 and 90,545,366.22 is: 135,867,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,044,140.89 : 234,151,905.24 = 90,545,366.22 : x
  2. Step 2: Convert to fraction form
    156,044,140.89/234,151,905.24 = 90,545,366.22/x
  3. Step 3: Cross multiply
    156,044,140.89x = 234,151,905.24 × 90,545,366.22
  4. Step 4: Simplify right side
    156,044,140.89x = 21,201,370,011,066,536
  5. Step 5: Solve for x
    x = 21,201,370,011,066,536/156,044,140.89
  6. Step 6: Final answer
    x = 135,867,773.63

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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.