Home / 103,509,633.70-155,132,574.45-55,010,721.70

Finding the Fourth Proportional to 103,509,633.70, 155,132,574.45 and 55,010,721.70

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Solution

The fourth proportional to 103,509,633.70, 155,132,574.45 and 55,010,721.70 is: 82,445,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,509,633.70 : 155,132,574.45 = 55,010,721.70 : x
  2. Step 2: Convert to fraction form
    103,509,633.70/155,132,574.45 = 55,010,721.70/x
  3. Step 3: Cross multiply
    103,509,633.70x = 155,132,574.45 × 55,010,721.70
  4. Step 4: Simplify right side
    103,509,633.70x = 8,533,954,879,673,480
  5. Step 5: Solve for x
    x = 8,533,954,879,673,480/103,509,633.70
  6. Step 6: Final answer
    x = 82,445,996.33

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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.