Home / 99,308,800.64-137,043,993.12-57,494,627.84

Finding the Fourth Proportional to 99,308,800.64, 137,043,993.12 and 57,494,627.84

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Solution

The fourth proportional to 99,308,800.64, 137,043,993.12 and 57,494,627.84 is: 79,341,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,308,800.64 : 137,043,993.12 = 57,494,627.84 : x
  2. Step 2: Convert to fraction form
    99,308,800.64/137,043,993.12 = 57,494,627.84/x
  3. Step 3: Cross multiply
    99,308,800.64x = 137,043,993.12 × 57,494,627.84
  4. Step 4: Simplify right side
    99,308,800.64x = 7,879,293,382,141,921
  5. Step 5: Solve for x
    x = 7,879,293,382,141,921/99,308,800.64
  6. Step 6: Final answer
    x = 79,341,340.66

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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.