Home / 115,922,949.64-173,901,640.93-38,185,494.72

Finding the Fourth Proportional to 115,922,949.64, 173,901,640.93 and 38,185,494.72

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Solution

The fourth proportional to 115,922,949.64, 173,901,640.93 and 38,185,494.72 is: 57,283,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,922,949.64 : 173,901,640.93 = 38,185,494.72 : x
  2. Step 2: Convert to fraction form
    115,922,949.64/173,901,640.93 = 38,185,494.72/x
  3. Step 3: Cross multiply
    115,922,949.64x = 173,901,640.93 × 38,185,494.72
  4. Step 4: Simplify right side
    115,922,949.64x = 6,640,520,191,531,851
  5. Step 5: Solve for x
    x = 6,640,520,191,531,851/115,922,949.64
  6. Step 6: Final answer
    x = 57,283,913.26

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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.