Home / 115,909,408.10-173,864,112.15-103,816,172.90

Finding the Fourth Proportional to 115,909,408.10, 173,864,112.15 and 103,816,172.90

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Solution

The fourth proportional to 115,909,408.10, 173,864,112.15 and 103,816,172.90 is: 155,724,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909,408.10 : 173,864,112.15 = 103,816,172.90 : x
  2. Step 2: Convert to fraction form
    115,909,408.10/173,864,112.15 = 103,816,172.90/x
  3. Step 3: Cross multiply
    115,909,408.10x = 173,864,112.15 × 103,816,172.90
  4. Step 4: Simplify right side
    115,909,408.10x = 18,049,906,728,069,392
  5. Step 5: Solve for x
    x = 18,049,906,728,069,392/115,909,408.10
  6. Step 6: Final answer
    x = 155,724,259.35

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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.