Home / 149,364,699.48-206,118,192.78-82,386,311.40

Finding the Fourth Proportional to 149,364,699.48, 206,118,192.78 and 82,386,311.40

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Solution

The fourth proportional to 149,364,699.48, 206,118,192.78 and 82,386,311.40 is: 113,690,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,364,699.48 : 206,118,192.78 = 82,386,311.40 : x
  2. Step 2: Convert to fraction form
    149,364,699.48/206,118,192.78 = 82,386,311.40/x
  3. Step 3: Cross multiply
    149,364,699.48x = 206,118,192.78 × 82,386,311.40
  4. Step 4: Simplify right side
    149,364,699.48x = 16,981,317,615,578,314
  5. Step 5: Solve for x
    x = 16,981,317,615,578,314/149,364,699.48
  6. Step 6: Final answer
    x = 113,690,300.82

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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.