Home / 124,765,764.60-187,161,153.30-42,873,857.40

Finding the Fourth Proportional to 124,765,764.60, 187,161,153.30 and 42,873,857.40

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Solution

The fourth proportional to 124,765,764.60, 187,161,153.30 and 42,873,857.40 is: 64,315,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765,764.60 : 187,161,153.30 = 42,873,857.40 : x
  2. Step 2: Convert to fraction form
    124,765,764.60/187,161,153.30 = 42,873,857.40/x
  3. Step 3: Cross multiply
    124,765,764.60x = 187,161,153.30 × 42,873,857.40
  4. Step 4: Simplify right side
    124,765,764.60x = 8,024,320,597,403,740
  5. Step 5: Solve for x
    x = 8,024,320,597,403,740/124,765,764.60
  6. Step 6: Final answer
    x = 64,315,083.73

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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.