Home / 125,005,280.92-172,567,100.46-83,258,819.80

Finding the Fourth Proportional to 125,005,280.92, 172,567,100.46 and 83,258,819.80

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Solution

The fourth proportional to 125,005,280.92, 172,567,100.46 and 83,258,819.80 is: 114,937,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,005,280.92 : 172,567,100.46 = 83,258,819.80 : x
  2. Step 2: Convert to fraction form
    125,005,280.92/172,567,100.46 = 83,258,819.80/x
  3. Step 3: Cross multiply
    125,005,280.92x = 172,567,100.46 × 83,258,819.80
  4. Step 4: Simplify right side
    125,005,280.92x = 14,367,733,120,607,638
  5. Step 5: Solve for x
    x = 14,367,733,120,607,638/125,005,280.92
  6. Step 6: Final answer
    x = 114,937,009.18

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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.