Home / 103,486,285.60-155,229,428.40-52,467,949.60

Finding the Fourth Proportional to 103,486,285.60, 155,229,428.40 and 52,467,949.60

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Solution

The fourth proportional to 103,486,285.60, 155,229,428.40 and 52,467,949.60 is: 78,701,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486,285.60 : 155,229,428.40 = 52,467,949.60 : x
  2. Step 2: Convert to fraction form
    103,486,285.60/155,229,428.40 = 52,467,949.60/x
  3. Step 3: Cross multiply
    103,486,285.60x = 155,229,428.40 × 52,467,949.60
  4. Step 4: Simplify right side
    103,486,285.60x = 8,144,569,825,728,009
  5. Step 5: Solve for x
    x = 8,144,569,825,728,009/103,486,285.60
  6. Step 6: Final answer
    x = 78,701,924.40

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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.