Home / 56,185,850.81-84,278,884.64-21,658,511.93

Finding the Fourth Proportional to 56,185,850.81, 84,278,884.64 and 21,658,511.93

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Solution

The fourth proportional to 56,185,850.81, 84,278,884.64 and 21,658,511.93 is: 32,487,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185,850.81 : 84,278,884.64 = 21,658,511.93 : x
  2. Step 2: Convert to fraction form
    56,185,850.81/84,278,884.64 = 21,658,511.93/x
  3. Step 3: Cross multiply
    56,185,850.81x = 84,278,884.64 × 21,658,511.93
  4. Step 4: Simplify right side
    56,185,850.81x = 1,825,355,228,422,533.75
  5. Step 5: Solve for x
    x = 1,825,355,228,422,533.75/56,185,850.81
  6. Step 6: Final answer
    x = 32,487,809.69

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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.