Home / 106,284,083.60-159,426,125.40-67,988,838.80

Finding the Fourth Proportional to 106,284,083.60, 159,426,125.40 and 67,988,838.80

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Solution

The fourth proportional to 106,284,083.60, 159,426,125.40 and 67,988,838.80 is: 101,983,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,284,083.60 : 159,426,125.40 = 67,988,838.80 : x
  2. Step 2: Convert to fraction form
    106,284,083.60/159,426,125.40 = 67,988,838.80/x
  3. Step 3: Cross multiply
    106,284,083.60x = 159,426,125.40 × 67,988,838.80
  4. Step 4: Simplify right side
    106,284,083.60x = 10,839,197,140,329,186
  5. Step 5: Solve for x
    x = 10,839,197,140,329,186/106,284,083.60
  6. Step 6: Final answer
    x = 101,983,258.20

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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.