Home / 127,763,212.80-191,644,819.20-35,646,772.80

Finding the Fourth Proportional to 127,763,212.80, 191,644,819.20 and 35,646,772.80

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Solution

The fourth proportional to 127,763,212.80, 191,644,819.20 and 35,646,772.80 is: 53,470,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,763,212.80 : 191,644,819.20 = 35,646,772.80 : x
  2. Step 2: Convert to fraction form
    127,763,212.80/191,644,819.20 = 35,646,772.80/x
  3. Step 3: Cross multiply
    127,763,212.80x = 191,644,819.20 × 35,646,772.80
  4. Step 4: Simplify right side
    127,763,212.80x = 6,831,519,328,319,477
  5. Step 5: Solve for x
    x = 6,831,519,328,319,477/127,763,212.80
  6. Step 6: Final answer
    x = 53,470,159.20

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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.