Home / 155,159,046.16-214,323,872.43-115,006,440.33

Finding the Fourth Proportional to 155,159,046.16, 214,323,872.43 and 115,006,440.33

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Solution

The fourth proportional to 155,159,046.16, 214,323,872.43 and 115,006,440.33 is: 158,860,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,159,046.16 : 214,323,872.43 = 115,006,440.33 : x
  2. Step 2: Convert to fraction form
    155,159,046.16/214,323,872.43 = 115,006,440.33/x
  3. Step 3: Cross multiply
    155,159,046.16x = 214,323,872.43 × 115,006,440.33
  4. Step 4: Simplify right side
    155,159,046.16x = 24,648,625,645,111,612
  5. Step 5: Solve for x
    x = 24,648,625,645,111,612/155,159,046.16
  6. Step 6: Final answer
    x = 158,860,383.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.