Home / 104,350,644.40-156,478,727.40-39,632,940.40

Finding the Fourth Proportional to 104,350,644.40, 156,478,727.40 and 39,632,940.40

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Solution

The fourth proportional to 104,350,644.40, 156,478,727.40 and 39,632,940.40 is: 59,431,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,350,644.40 : 156,478,727.40 = 39,632,940.40 : x
  2. Step 2: Convert to fraction form
    104,350,644.40/156,478,727.40 = 39,632,940.40/x
  3. Step 3: Cross multiply
    104,350,644.40x = 156,478,727.40 × 39,632,940.40
  4. Step 4: Simplify right side
    104,350,644.40x = 6,201,712,076,912,047
  5. Step 5: Solve for x
    x = 6,201,712,076,912,047/104,350,644.40
  6. Step 6: Final answer
    x = 59,431,468.90

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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.