Home / 308,160,840.80-462,241,261.20-103,620,936.80

Finding the Fourth Proportional to 308,160,840.80, 462,241,261.20 and 103,620,936.80

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Solution

The fourth proportional to 308,160,840.80, 462,241,261.20 and 103,620,936.80 is: 155,431,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,160,840.80 : 462,241,261.20 = 103,620,936.80 : x
  2. Step 2: Convert to fraction form
    308,160,840.80/462,241,261.20 = 103,620,936.80/x
  3. Step 3: Cross multiply
    308,160,840.80x = 462,241,261.20 × 103,620,936.80
  4. Step 4: Simplify right side
    308,160,840.80x = 47,897,872,513,157,488
  5. Step 5: Solve for x
    x = 47,897,872,513,157,488/308,160,840.80
  6. Step 6: Final answer
    x = 155,431,405.20

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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.