Home / 124,704,615.11-187,010,399.70-42,800,251.32

Finding the Fourth Proportional to 124,704,615.11, 187,010,399.70 and 42,800,251.32

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Solution

The fourth proportional to 124,704,615.11, 187,010,399.70 and 42,800,251.32 is: 64,184,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704,615.11 : 187,010,399.70 = 42,800,251.32 : x
  2. Step 2: Convert to fraction form
    124,704,615.11/187,010,399.70 = 42,800,251.32/x
  3. Step 3: Cross multiply
    124,704,615.11x = 187,010,399.70 × 42,800,251.32
  4. Step 4: Simplify right side
    124,704,615.11x = 8,004,092,106,613,652
  5. Step 5: Solve for x
    x = 8,004,092,106,613,652/124,704,615.11
  6. Step 6: Final answer
    x = 64,184,409.69

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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.