Home / 134,136,004.40-201,204,006.60-100,123,780.40

Finding the Fourth Proportional to 134,136,004.40, 201,204,006.60 and 100,123,780.40

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Solution

The fourth proportional to 134,136,004.40, 201,204,006.60 and 100,123,780.40 is: 150,185,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,004.40 : 201,204,006.60 = 100,123,780.40 : x
  2. Step 2: Convert to fraction form
    134,136,004.40/201,204,006.60 = 100,123,780.40/x
  3. Step 3: Cross multiply
    134,136,004.40x = 201,204,006.60 × 100,123,780.40
  4. Step 4: Simplify right side
    134,136,004.40x = 20,145,305,772,418,552
  5. Step 5: Solve for x
    x = 20,145,305,772,418,552/134,136,004.40
  6. Step 6: Final answer
    x = 150,185,670.60

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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.