Home / 124,380,835-171,700,591.82-80,349,303.04

Finding the Fourth Proportional to 124,380,835, 171,700,591.82 and 80,349,303.04

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Solution

The fourth proportional to 124,380,835, 171,700,591.82 and 80,349,303.04 is: 110,917,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,380,835 : 171,700,591.82 = 80,349,303.04 : x
  2. Step 2: Convert to fraction form
    124,380,835/171,700,591.82 = 80,349,303.04/x
  3. Step 3: Cross multiply
    124,380,835x = 171,700,591.82 × 80,349,303.04
  4. Step 4: Simplify right side
    124,380,835x = 13,796,022,884,292,526
  5. Step 5: Solve for x
    x = 13,796,022,884,292,526/124,380,835
  6. Step 6: Final answer
    x = 110,917,593.41

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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.