Home / 122,912,137.10-184,368,205.65-84,170,088.20

Finding the Fourth Proportional to 122,912,137.10, 184,368,205.65 and 84,170,088.20

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Solution

The fourth proportional to 122,912,137.10, 184,368,205.65 and 84,170,088.20 is: 126,255,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,912,137.10 : 184,368,205.65 = 84,170,088.20 : x
  2. Step 2: Convert to fraction form
    122,912,137.10/184,368,205.65 = 84,170,088.20/x
  3. Step 3: Cross multiply
    122,912,137.10x = 184,368,205.65 × 84,170,088.20
  4. Step 4: Simplify right side
    122,912,137.10x = 15,518,288,130,836,240
  5. Step 5: Solve for x
    x = 15,518,288,130,836,240/122,912,137.10
  6. Step 6: Final answer
    x = 126,255,132.30

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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.