Home / 112,775,205.88-155,662,219.44-68,114,083.96

Finding the Fourth Proportional to 112,775,205.88, 155,662,219.44 and 68,114,083.96

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Solution

The fourth proportional to 112,775,205.88, 155,662,219.44 and 68,114,083.96 is: 94,017,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,775,205.88 : 155,662,219.44 = 68,114,083.96 : x
  2. Step 2: Convert to fraction form
    112,775,205.88/155,662,219.44 = 68,114,083.96/x
  3. Step 3: Cross multiply
    112,775,205.88x = 155,662,219.44 × 68,114,083.96
  4. Step 4: Simplify right side
    112,775,205.88x = 10,602,789,484,336,102
  5. Step 5: Solve for x
    x = 10,602,789,484,336,102/112,775,205.88
  6. Step 6: Final answer
    x = 94,017,026.19

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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.