Home / 140,228,362.44-193,525,153.68-77,503,112.40

Finding the Fourth Proportional to 140,228,362.44, 193,525,153.68 and 77,503,112.40

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Solution

The fourth proportional to 140,228,362.44, 193,525,153.68 and 77,503,112.40 is: 106,959,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,228,362.44 : 193,525,153.68 = 77,503,112.40 : x
  2. Step 2: Convert to fraction form
    140,228,362.44/193,525,153.68 = 77,503,112.40/x
  3. Step 3: Cross multiply
    140,228,362.44x = 193,525,153.68 × 77,503,112.40
  4. Step 4: Simplify right side
    140,228,362.44x = 14,998,801,737,888,316
  5. Step 5: Solve for x
    x = 14,998,801,737,888,316/140,228,362.44
  6. Step 6: Final answer
    x = 106,959,829.50

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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.