Home / 187,243,805.70-280,865,708.55-164,568,989.70

Finding the Fourth Proportional to 187,243,805.70, 280,865,708.55 and 164,568,989.70

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Solution

The fourth proportional to 187,243,805.70, 280,865,708.55 and 164,568,989.70 is: 246,853,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,243,805.70 : 280,865,708.55 = 164,568,989.70 : x
  2. Step 2: Convert to fraction form
    187,243,805.70/280,865,708.55 = 164,568,989.70/x
  3. Step 3: Cross multiply
    187,243,805.70x = 280,865,708.55 × 164,568,989.70
  4. Step 4: Simplify right side
    187,243,805.70x = 46,221,785,897,448,152
  5. Step 5: Solve for x
    x = 46,221,785,897,448,152/187,243,805.70
  6. Step 6: Final answer
    x = 246,853,484.55

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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.