Home / 308,160,887.80-462,241,331.70-103,620,983.80

Finding the Fourth Proportional to 308,160,887.80, 462,241,331.70 and 103,620,983.80

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Solution

The fourth proportional to 308,160,887.80, 462,241,331.70 and 103,620,983.80 is: 155,431,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,160,887.80 : 462,241,331.70 = 103,620,983.80 : x
  2. Step 2: Convert to fraction form
    308,160,887.80/462,241,331.70 = 103,620,983.80/x
  3. Step 3: Cross multiply
    308,160,887.80x = 462,241,331.70 × 103,620,983.80
  4. Step 4: Simplify right side
    308,160,887.80x = 47,897,901,543,776,120
  5. Step 5: Solve for x
    x = 47,897,901,543,776,120/308,160,887.80
  6. Step 6: Final answer
    x = 155,431,475.70

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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.