Home / 139,122,264.48-208,723,785.99-56,081,161.83

Finding the Fourth Proportional to 139,122,264.48, 208,723,785.99 and 56,081,161.83

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Solution

The fourth proportional to 139,122,264.48, 208,723,785.99 and 56,081,161.83 is: 84,138,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,122,264.48 : 208,723,785.99 = 56,081,161.83 : x
  2. Step 2: Convert to fraction form
    139,122,264.48/208,723,785.99 = 56,081,161.83/x
  3. Step 3: Cross multiply
    139,122,264.48x = 208,723,785.99 × 56,081,161.83
  4. Step 4: Simplify right side
    139,122,264.48x = 11,705,472,419,875,476
  5. Step 5: Solve for x
    x = 11,705,472,419,875,476/139,122,264.48
  6. Step 6: Final answer
    x = 84,138,023.94

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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.