Home / 139,235,741.24-192,134,058.01-80,502,174.68

Finding the Fourth Proportional to 139,235,741.24, 192,134,058.01 and 80,502,174.68

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Solution

The fourth proportional to 139,235,741.24, 192,134,058.01 and 80,502,174.68 is: 111,086,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,235,741.24 : 192,134,058.01 = 80,502,174.68 : x
  2. Step 2: Convert to fraction form
    139,235,741.24/192,134,058.01 = 80,502,174.68/x
  3. Step 3: Cross multiply
    139,235,741.24x = 192,134,058.01 × 80,502,174.68
  4. Step 4: Simplify right side
    139,235,741.24x = 15,467,209,498,736,346
  5. Step 5: Solve for x
    x = 15,467,209,498,736,346/139,235,741.24
  6. Step 6: Final answer
    x = 111,086,488.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.