Home / 193,632,005.70-290,448,008.55-102,708,792.90

Finding the Fourth Proportional to 193,632,005.70, 290,448,008.55 and 102,708,792.90

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Solution

The fourth proportional to 193,632,005.70, 290,448,008.55 and 102,708,792.90 is: 154,063,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,632,005.70 : 290,448,008.55 = 102,708,792.90 : x
  2. Step 2: Convert to fraction form
    193,632,005.70/290,448,008.55 = 102,708,792.90/x
  3. Step 3: Cross multiply
    193,632,005.70x = 290,448,008.55 × 102,708,792.90
  4. Step 4: Simplify right side
    193,632,005.70x = 29,831,564,358,379,384
  5. Step 5: Solve for x
    x = 29,831,564,358,379,384/193,632,005.70
  6. Step 6: Final answer
    x = 154,063,189.35

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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.