Home / 187,118,103.87-280,696,406.54-70,631,578.35

Finding the Fourth Proportional to 187,118,103.87, 280,696,406.54 and 70,631,578.35

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Solution

The fourth proportional to 187,118,103.87, 280,696,406.54 and 70,631,578.35 is: 105,954,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,118,103.87 : 280,696,406.54 = 70,631,578.35 : x
  2. Step 2: Convert to fraction form
    187,118,103.87/280,696,406.54 = 70,631,578.35/x
  3. Step 3: Cross multiply
    187,118,103.87x = 280,696,406.54 × 70,631,578.35
  4. Step 4: Simplify right side
    187,118,103.87x = 19,826,030,230,740,304
  5. Step 5: Solve for x
    x = 19,826,030,230,740,304/187,118,103.87
  6. Step 6: Final answer
    x = 105,954,634.11

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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.