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Finding the Fourth Proportional to 104,318,720.80, 146,348,540 and 104,318,720.80

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Solution

The fourth proportional to 104,318,720.80, 146,348,540 and 104,318,720.80 is: 146,348,540

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,318,720.80 : 146,348,540 = 104,318,720.80 : x
  2. Step 2: Convert to fraction form
    104,318,720.80/146,348,540 = 104,318,720.80/x
  3. Step 3: Cross multiply
    104,318,720.80x = 146,348,540 × 104,318,720.80
  4. Step 4: Simplify right side
    104,318,720.80x = 15,266,892,483,747,632
  5. Step 5: Solve for x
    x = 15,266,892,483,747,632/104,318,720.80
  6. Step 6: Final answer
    x = 146,348,540

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.