Home / 141,783,330.30-212,674,995.45-90,723,003.90

Finding the Fourth Proportional to 141,783,330.30, 212,674,995.45 and 90,723,003.90

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Solution

The fourth proportional to 141,783,330.30, 212,674,995.45 and 90,723,003.90 is: 136,084,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,783,330.30 : 212,674,995.45 = 90,723,003.90 : x
  2. Step 2: Convert to fraction form
    141,783,330.30/212,674,995.45 = 90,723,003.90/x
  3. Step 3: Cross multiply
    141,783,330.30x = 212,674,995.45 × 90,723,003.90
  4. Step 4: Simplify right side
    141,783,330.30x = 19,294,514,441,642,832
  5. Step 5: Solve for x
    x = 19,294,514,441,642,832/141,783,330.30
  6. Step 6: Final answer
    x = 136,084,505.85

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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.