Home / 119,643,611.60-179,465,417.40-74,057,589.20

Finding the Fourth Proportional to 119,643,611.60, 179,465,417.40 and 74,057,589.20

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Solution

The fourth proportional to 119,643,611.60, 179,465,417.40 and 74,057,589.20 is: 111,086,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,643,611.60 : 179,465,417.40 = 74,057,589.20 : x
  2. Step 2: Convert to fraction form
    119,643,611.60/179,465,417.40 = 74,057,589.20/x
  3. Step 3: Cross multiply
    119,643,611.60x = 179,465,417.40 × 74,057,589.20
  4. Step 4: Simplify right side
    119,643,611.60x = 13,290,776,157,415,734
  5. Step 5: Solve for x
    x = 13,290,776,157,415,734/119,643,611.60
  6. Step 6: Final answer
    x = 111,086,383.80

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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.