Home / 103,060,197.75-142,223,368.14-59,007,872.28

Finding the Fourth Proportional to 103,060,197.75, 142,223,368.14 and 59,007,872.28

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Solution

The fourth proportional to 103,060,197.75, 142,223,368.14 and 59,007,872.28 is: 81,431,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,060,197.75 : 142,223,368.14 = 59,007,872.28 : x
  2. Step 2: Convert to fraction form
    103,060,197.75/142,223,368.14 = 59,007,872.28/x
  3. Step 3: Cross multiply
    103,060,197.75x = 142,223,368.14 × 59,007,872.28
  4. Step 4: Simplify right side
    103,060,197.75x = 8,392,298,342,436,540
  5. Step 5: Solve for x
    x = 8,392,298,342,436,540/103,060,197.75
  6. Step 6: Final answer
    x = 81,431,032.79

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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.