Home / 125,569,099.78-173,295,064.22-75,335,208.84

Finding the Fourth Proportional to 125,569,099.78, 173,295,064.22 and 75,335,208.84

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Solution

The fourth proportional to 125,569,099.78, 173,295,064.22 and 75,335,208.84 is: 103,968,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,569,099.78 : 173,295,064.22 = 75,335,208.84 : x
  2. Step 2: Convert to fraction form
    125,569,099.78/173,295,064.22 = 75,335,208.84/x
  3. Step 3: Cross multiply
    125,569,099.78x = 173,295,064.22 × 75,335,208.84
  4. Step 4: Simplify right side
    125,569,099.78x = 13,055,219,853,954,912
  5. Step 5: Solve for x
    x = 13,055,219,853,954,912/125,569,099.78
  6. Step 6: Final answer
    x = 103,968,411.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.