Home / 148,178,405.66-222,148,920-70,416,285.49

Finding the Fourth Proportional to 148,178,405.66, 222,148,920 and 70,416,285.49

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Solution

The fourth proportional to 148,178,405.66, 222,148,920 and 70,416,285.49 is: 105,568,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,178,405.66 : 222,148,920 = 70,416,285.49 : x
  2. Step 2: Convert to fraction form
    148,178,405.66/222,148,920 = 70,416,285.49/x
  3. Step 3: Cross multiply
    148,178,405.66x = 222,148,920 × 70,416,285.49
  4. Step 4: Simplify right side
    148,178,405.66x = 15,642,901,770,904,426
  5. Step 5: Solve for x
    x = 15,642,901,770,904,426/148,178,405.66
  6. Step 6: Final answer
    x = 105,568,025.93

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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.