Home / 111,124,620.80-166,686,931.20-104,889,046.40

Finding the Fourth Proportional to 111,124,620.80, 166,686,931.20 and 104,889,046.40

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Solution

The fourth proportional to 111,124,620.80, 166,686,931.20 and 104,889,046.40 is: 157,333,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,124,620.80 : 166,686,931.20 = 104,889,046.40 : x
  2. Step 2: Convert to fraction form
    111,124,620.80/166,686,931.20 = 104,889,046.40/x
  3. Step 3: Cross multiply
    111,124,620.80x = 166,686,931.20 × 104,889,046.40
  4. Step 4: Simplify right side
    111,124,620.80x = 17,483,633,260,910,408
  5. Step 5: Solve for x
    x = 17,483,633,260,910,408/111,124,620.80
  6. Step 6: Final answer
    x = 157,333,569.60

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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.