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Finding the Fourth Proportional to 310,565,796.60, 465,453,066.60 and 165,069,060.60

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Solution

The fourth proportional to 310,565,796.60, 465,453,066.60 and 165,069,060.60 is: 247,393,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,565,796.60 : 465,453,066.60 = 165,069,060.60 : x
  2. Step 2: Convert to fraction form
    310,565,796.60/465,453,066.60 = 165,069,060.60/x
  3. Step 3: Cross multiply
    310,565,796.60x = 465,453,066.60 × 165,069,060.60
  4. Step 4: Simplify right side
    310,565,796.60x = 76,831,900,457,051,232
  5. Step 5: Solve for x
    x = 76,831,900,457,051,232/310,565,796.60
  6. Step 6: Final answer
    x = 247,393,310.20

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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.