Home / 125,479,214.40-188,218,821.60-91,041,837.60

Finding the Fourth Proportional to 125,479,214.40, 188,218,821.60 and 91,041,837.60

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Solution

The fourth proportional to 125,479,214.40, 188,218,821.60 and 91,041,837.60 is: 136,562,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,479,214.40 : 188,218,821.60 = 91,041,837.60 : x
  2. Step 2: Convert to fraction form
    125,479,214.40/188,218,821.60 = 91,041,837.60/x
  3. Step 3: Cross multiply
    125,479,214.40x = 188,218,821.60 × 91,041,837.60
  4. Step 4: Simplify right side
    125,479,214.40x = 17,135,787,389,370,570
  5. Step 5: Solve for x
    x = 17,135,787,389,370,570/125,479,214.40
  6. Step 6: Final answer
    x = 136,562,756.40

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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.