Home / 145,221,105.70-217,877,707.18-51,846,073.92

Finding the Fourth Proportional to 145,221,105.70, 217,877,707.18 and 51,846,073.92

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Solution

The fourth proportional to 145,221,105.70, 217,877,707.18 and 51,846,073.92 is: 77,785,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,221,105.70 : 217,877,707.18 = 51,846,073.92 : x
  2. Step 2: Convert to fraction form
    145,221,105.70/217,877,707.18 = 51,846,073.92/x
  3. Step 3: Cross multiply
    145,221,105.70x = 217,877,707.18 × 51,846,073.92
  4. Step 4: Simplify right side
    145,221,105.70x = 11,296,103,711,974,396
  5. Step 5: Solve for x
    x = 11,296,103,711,974,396/145,221,105.70
  6. Step 6: Final answer
    x = 77,785,550.92

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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.