Home / 103,680,813.10-155,521,219.65-62,866,144.30

Finding the Fourth Proportional to 103,680,813.10, 155,521,219.65 and 62,866,144.30

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Solution

The fourth proportional to 103,680,813.10, 155,521,219.65 and 62,866,144.30 is: 94,299,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,813.10 : 155,521,219.65 = 62,866,144.30 : x
  2. Step 2: Convert to fraction form
    103,680,813.10/155,521,219.65 = 62,866,144.30/x
  3. Step 3: Cross multiply
    103,680,813.10x = 155,521,219.65 × 62,866,144.30
  4. Step 4: Simplify right side
    103,680,813.10x = 9,777,019,436,228,896
  5. Step 5: Solve for x
    x = 9,777,019,436,228,896/103,680,813.10
  6. Step 6: Final answer
    x = 94,299,216.45

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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.