Home / 101,716,166.21-140,367,333.65-55,306,429.70

Finding the Fourth Proportional to 101,716,166.21, 140,367,333.65 and 55,306,429.70

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Solution

The fourth proportional to 101,716,166.21, 140,367,333.65 and 55,306,429.70 is: 76,322,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,716,166.21 : 140,367,333.65 = 55,306,429.70 : x
  2. Step 2: Convert to fraction form
    101,716,166.21/140,367,333.65 = 55,306,429.70/x
  3. Step 3: Cross multiply
    101,716,166.21x = 140,367,333.65 × 55,306,429.70
  4. Step 4: Simplify right side
    101,716,166.21x = 7,763,216,069,711,801
  5. Step 5: Solve for x
    x = 7,763,216,069,711,801/101,716,166.21
  6. Step 6: Final answer
    x = 76,322,342.45

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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.