Home / 112,171,161.84-154,822,031.58-65,776,362.54

Finding the Fourth Proportional to 112,171,161.84, 154,822,031.58 and 65,776,362.54

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Solution

The fourth proportional to 112,171,161.84, 154,822,031.58 and 65,776,362.54 is: 90,786,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171,161.84 : 154,822,031.58 = 65,776,362.54 : x
  2. Step 2: Convert to fraction form
    112,171,161.84/154,822,031.58 = 65,776,362.54/x
  3. Step 3: Cross multiply
    112,171,161.84x = 154,822,031.58 × 65,776,362.54
  4. Step 4: Simplify right side
    112,171,161.84x = 10,183,630,078,385,410
  5. Step 5: Solve for x
    x = 10,183,630,078,385,410/112,171,161.84
  6. Step 6: Final answer
    x = 90,786,525.80

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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.