Home / 97,998,047.20-146,997,070.80-68,772,728.80

Finding the Fourth Proportional to 97,998,047.20, 146,997,070.80 and 68,772,728.80

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Solution

The fourth proportional to 97,998,047.20, 146,997,070.80 and 68,772,728.80 is: 103,159,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,998,047.20 : 146,997,070.80 = 68,772,728.80 : x
  2. Step 2: Convert to fraction form
    97,998,047.20/146,997,070.80 = 68,772,728.80/x
  3. Step 3: Cross multiply
    97,998,047.20x = 146,997,070.80 × 68,772,728.80
  4. Step 4: Simplify right side
    97,998,047.20x = 10,109,389,684,522,800
  5. Step 5: Solve for x
    x = 10,109,389,684,522,800/97,998,047.20
  6. Step 6: Final answer
    x = 103,159,093.20

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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.