Home / 192,458,303.60-288,262,302.60-77,383,612.40

Finding the Fourth Proportional to 192,458,303.60, 288,262,302.60 and 77,383,612.40

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Solution

The fourth proportional to 192,458,303.60, 288,262,302.60 and 77,383,612.40 is: 115,904,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,458,303.60 : 288,262,302.60 = 77,383,612.40 : x
  2. Step 2: Convert to fraction form
    192,458,303.60/288,262,302.60 = 77,383,612.40/x
  3. Step 3: Cross multiply
    192,458,303.60x = 288,262,302.60 × 77,383,612.40
  4. Step 4: Simplify right side
    192,458,303.60x = 22,306,778,293,929,916
  5. Step 5: Solve for x
    x = 22,306,778,293,929,916/192,458,303.60
  6. Step 6: Final answer
    x = 115,904,473.21

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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.