Home / 137,785,430.10-206,678,145.15-94,738,709.10

Finding the Fourth Proportional to 137,785,430.10, 206,678,145.15 and 94,738,709.10

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Solution

The fourth proportional to 137,785,430.10, 206,678,145.15 and 94,738,709.10 is: 142,108,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,785,430.10 : 206,678,145.15 = 94,738,709.10 : x
  2. Step 2: Convert to fraction form
    137,785,430.10/206,678,145.15 = 94,738,709.10/x
  3. Step 3: Cross multiply
    137,785,430.10x = 206,678,145.15 × 94,738,709.10
  4. Step 4: Simplify right side
    137,785,430.10x = 19,580,420,670,693,424
  5. Step 5: Solve for x
    x = 19,580,420,670,693,424/137,785,430.10
  6. Step 6: Final answer
    x = 142,108,063.65

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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.