Home / 190,128,830.70-285,193,246.05-88,092,158.70

Finding the Fourth Proportional to 190,128,830.70, 285,193,246.05 and 88,092,158.70

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Solution

The fourth proportional to 190,128,830.70, 285,193,246.05 and 88,092,158.70 is: 132,138,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128,830.70 : 285,193,246.05 = 88,092,158.70 : x
  2. Step 2: Convert to fraction form
    190,128,830.70/285,193,246.05 = 88,092,158.70/x
  3. Step 3: Cross multiply
    190,128,830.70x = 285,193,246.05 × 88,092,158.70
  4. Step 4: Simplify right side
    190,128,830.70x = 25,123,288,691,204,752
  5. Step 5: Solve for x
    x = 25,123,288,691,204,752/190,128,830.70
  6. Step 6: Final answer
    x = 132,138,238.05

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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.