Home / 103,573,032.27-142,930,080.39-57,163,284.82

Finding the Fourth Proportional to 103,573,032.27, 142,930,080.39 and 57,163,284.82

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Solution

The fourth proportional to 103,573,032.27, 142,930,080.39 and 57,163,284.82 is: 78,884,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,573,032.27 : 142,930,080.39 = 57,163,284.82 : x
  2. Step 2: Convert to fraction form
    103,573,032.27/142,930,080.39 = 57,163,284.82/x
  3. Step 3: Cross multiply
    103,573,032.27x = 142,930,080.39 × 57,163,284.82
  4. Step 4: Simplify right side
    103,573,032.27x = 8,170,352,894,679,066
  5. Step 5: Solve for x
    x = 8,170,352,894,679,066/103,573,032.27
  6. Step 6: Final answer
    x = 78,884,944.43

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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.