Home / 103,680,811.60-155,521,217.40-62,866,142.80

Finding the Fourth Proportional to 103,680,811.60, 155,521,217.40 and 62,866,142.80

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Solution

The fourth proportional to 103,680,811.60, 155,521,217.40 and 62,866,142.80 is: 94,299,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,811.60 : 155,521,217.40 = 62,866,142.80 : x
  2. Step 2: Convert to fraction form
    103,680,811.60/155,521,217.40 = 62,866,142.80/x
  3. Step 3: Cross multiply
    103,680,811.60x = 155,521,217.40 × 62,866,142.80
  4. Step 4: Simplify right side
    103,680,811.60x = 9,777,019,061,498,244
  5. Step 5: Solve for x
    x = 9,777,019,061,498,244/103,680,811.60
  6. Step 6: Final answer
    x = 94,299,214.20

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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.