Home / 206,075,644.60-308,848,046.10-157,968,124.60

Finding the Fourth Proportional to 206,075,644.60, 308,848,046.10 and 157,968,124.60

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Solution

The fourth proportional to 206,075,644.60, 308,848,046.10 and 157,968,124.60 is: 236,748,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,075,644.60 : 308,848,046.10 = 157,968,124.60 : x
  2. Step 2: Convert to fraction form
    206,075,644.60/308,848,046.10 = 157,968,124.60/x
  3. Step 3: Cross multiply
    206,075,644.60x = 308,848,046.10 × 157,968,124.60
  4. Step 4: Simplify right side
    206,075,644.60x = 48,788,146,628,791,344
  5. Step 5: Solve for x
    x = 48,788,146,628,791,344/206,075,644.60
  6. Step 6: Final answer
    x = 236,748,727.50

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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.