Home / 125,552,132.40-188,448,467.40-65,011,306.80

Finding the Fourth Proportional to 125,552,132.40, 188,448,467.40 and 65,011,306.80

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Solution

The fourth proportional to 125,552,132.40, 188,448,467.40 and 65,011,306.80 is: 97,579,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,552,132.40 : 188,448,467.40 = 65,011,306.80 : x
  2. Step 2: Convert to fraction form
    125,552,132.40/188,448,467.40 = 65,011,306.80/x
  3. Step 3: Cross multiply
    125,552,132.40x = 188,448,467.40 × 65,011,306.80
  4. Step 4: Simplify right side
    125,552,132.40x = 12,251,281,130,131,198
  5. Step 5: Solve for x
    x = 12,251,281,130,131,198/125,552,132.40
  6. Step 6: Final answer
    x = 97,579,235.78

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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.