Home / 99,353,512.63-137,084,393.77-83,518,800.55

Finding the Fourth Proportional to 99,353,512.63, 137,084,393.77 and 83,518,800.55

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Solution

The fourth proportional to 99,353,512.63, 137,084,393.77 and 83,518,800.55 is: 115,236,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,353,512.63 : 137,084,393.77 = 83,518,800.55 : x
  2. Step 2: Convert to fraction form
    99,353,512.63/137,084,393.77 = 83,518,800.55/x
  3. Step 3: Cross multiply
    99,353,512.63x = 137,084,393.77 × 83,518,800.55
  4. Step 4: Simplify right side
    99,353,512.63x = 11,449,124,141,794,294
  5. Step 5: Solve for x
    x = 11,449,124,141,794,294/99,353,512.63
  6. Step 6: Final answer
    x = 115,236,229.08

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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.