Home / 125,752,557.60-188,250,922.80-74,608,250.40

Finding the Fourth Proportional to 125,752,557.60, 188,250,922.80 and 74,608,250.40

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Solution

The fourth proportional to 125,752,557.60, 188,250,922.80 and 74,608,250.40 is: 111,688,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,752,557.60 : 188,250,922.80 = 74,608,250.40 : x
  2. Step 2: Convert to fraction form
    125,752,557.60/188,250,922.80 = 74,608,250.40/x
  3. Step 3: Cross multiply
    125,752,557.60x = 188,250,922.80 × 74,608,250.40
  4. Step 4: Simplify right side
    125,752,557.60x = 14,045,071,986,293,472
  5. Step 5: Solve for x
    x = 14,045,071,986,293,472/125,752,557.60
  6. Step 6: Final answer
    x = 111,688,161.69

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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.