Home / 125,895,324.60-188,842,986.90-74,751,017.40

Finding the Fourth Proportional to 125,895,324.60, 188,842,986.90 and 74,751,017.40

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Solution

The fourth proportional to 125,895,324.60, 188,842,986.90 and 74,751,017.40 is: 112,126,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,895,324.60 : 188,842,986.90 = 74,751,017.40 : x
  2. Step 2: Convert to fraction form
    125,895,324.60/188,842,986.90 = 74,751,017.40/x
  3. Step 3: Cross multiply
    125,895,324.60x = 188,842,986.90 × 74,751,017.40
  4. Step 4: Simplify right side
    125,895,324.60x = 14,116,205,399,629,874
  5. Step 5: Solve for x
    x = 14,116,205,399,629,874/125,895,324.60
  6. Step 6: Final answer
    x = 112,126,526.10

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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.