Home / 103,670,981.60-155,446,309.76-49,083,108.84

Finding the Fourth Proportional to 103,670,981.60, 155,446,309.76 and 49,083,108.84

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Solution

The fourth proportional to 103,670,981.60, 155,446,309.76 and 49,083,108.84 is: 73,596,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670,981.60 : 155,446,309.76 = 49,083,108.84 : x
  2. Step 2: Convert to fraction form
    103,670,981.60/155,446,309.76 = 49,083,108.84/x
  3. Step 3: Cross multiply
    103,670,981.60x = 155,446,309.76 × 49,083,108.84
  4. Step 4: Simplify right side
    103,670,981.60x = 7,629,788,140,726,434
  5. Step 5: Solve for x
    x = 7,629,788,140,726,434/103,670,981.60
  6. Step 6: Final answer
    x = 73,596,179.21

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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.