Home / 111,415,074.20-153,753,358.88-69,623,406.60

Finding the Fourth Proportional to 111,415,074.20, 153,753,358.88 and 69,623,406.60

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Solution

The fourth proportional to 111,415,074.20, 153,753,358.88 and 69,623,406.60 is: 96,080,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,415,074.20 : 153,753,358.88 = 69,623,406.60 : x
  2. Step 2: Convert to fraction form
    111,415,074.20/153,753,358.88 = 69,623,406.60/x
  3. Step 3: Cross multiply
    111,415,074.20x = 153,753,358.88 × 69,623,406.60
  4. Step 4: Simplify right side
    111,415,074.20x = 10,704,832,621,417,960
  5. Step 5: Solve for x
    x = 10,704,832,621,417,960/111,415,074.20
  6. Step 6: Final answer
    x = 96,080,648.86

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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.