Home / 99,973,486.24-137,976,173.28-55,922,932.32

Finding the Fourth Proportional to 99,973,486.24, 137,976,173.28 and 55,922,932.32

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Solution

The fourth proportional to 99,973,486.24, 137,976,173.28 and 55,922,932.32 is: 77,180,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,973,486.24 : 137,976,173.28 = 55,922,932.32 : x
  2. Step 2: Convert to fraction form
    99,973,486.24/137,976,173.28 = 55,922,932.32/x
  3. Step 3: Cross multiply
    99,973,486.24x = 137,976,173.28 × 55,922,932.32
  4. Step 4: Simplify right side
    99,973,486.24x = 7,716,032,200,110,033
  5. Step 5: Solve for x
    x = 7,716,032,200,110,033/99,973,486.24
  6. Step 6: Final answer
    x = 77,180,785.53

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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.