Home / 139,122,306.64-208,723,849.26-56,081,203.98

Finding the Fourth Proportional to 139,122,306.64, 208,723,849.26 and 56,081,203.98

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Solution

The fourth proportional to 139,122,306.64, 208,723,849.26 and 56,081,203.98 is: 84,138,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,122,306.64 : 208,723,849.26 = 56,081,203.98 : x
  2. Step 2: Convert to fraction form
    139,122,306.64/208,723,849.26 = 56,081,203.98/x
  3. Step 3: Cross multiply
    139,122,306.64x = 208,723,849.26 × 56,081,203.98
  4. Step 4: Simplify right side
    139,122,306.64x = 11,705,484,765,840,830
  5. Step 5: Solve for x
    x = 11,705,484,765,840,830/139,122,306.64
  6. Step 6: Final answer
    x = 84,138,087.19

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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.