Home / 117,412,838.60-175,770,893.10-87,254,400.20

Finding the Fourth Proportional to 117,412,838.60, 175,770,893.10 and 87,254,400.20

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Solution

The fourth proportional to 117,412,838.60, 175,770,893.10 and 87,254,400.20 is: 130,622,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,412,838.60 : 175,770,893.10 = 87,254,400.20 : x
  2. Step 2: Convert to fraction form
    117,412,838.60/175,770,893.10 = 87,254,400.20/x
  3. Step 3: Cross multiply
    117,412,838.60x = 175,770,893.10 × 87,254,400.20
  4. Step 4: Simplify right side
    117,412,838.60x = 15,336,783,850,058,818
  5. Step 5: Solve for x
    x = 15,336,783,850,058,818/117,412,838.60
  6. Step 6: Final answer
    x = 130,622,715.82

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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.