Home / 140,533,476.90-193,942,259.74-77,809,576.25

Finding the Fourth Proportional to 140,533,476.90, 193,942,259.74 and 77,809,576.25

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Solution

The fourth proportional to 140,533,476.90, 193,942,259.74 and 77,809,576.25 is: 107,380,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,533,476.90 : 193,942,259.74 = 77,809,576.25 : x
  2. Step 2: Convert to fraction form
    140,533,476.90/193,942,259.74 = 77,809,576.25/x
  3. Step 3: Cross multiply
    140,533,476.90x = 193,942,259.74 × 77,809,576.25
  4. Step 4: Simplify right side
    140,533,476.90x = 15,090,565,047,480,884
  5. Step 5: Solve for x
    x = 15,090,565,047,480,884/140,533,476.90
  6. Step 6: Final answer
    x = 107,380,571.38

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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.