Home / 103,513,636.70-155,138,578.95-55,014,724.70

Finding the Fourth Proportional to 103,513,636.70, 155,138,578.95 and 55,014,724.70

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Solution

The fourth proportional to 103,513,636.70, 155,138,578.95 and 55,014,724.70 is: 82,451,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,513,636.70 : 155,138,578.95 = 55,014,724.70 : x
  2. Step 2: Convert to fraction form
    103,513,636.70/155,138,578.95 = 55,014,724.70/x
  3. Step 3: Cross multiply
    103,513,636.70x = 155,138,578.95 × 55,014,724.70
  4. Step 4: Simplify right side
    103,513,636.70x = 8,534,906,211,283,465
  5. Step 5: Solve for x
    x = 8,534,906,211,283,465/103,513,636.70
  6. Step 6: Final answer
    x = 82,451,998.44

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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.