Home / 114,697,821.78-158,241,473.99-75,027,996.45

Finding the Fourth Proportional to 114,697,821.78, 158,241,473.99 and 75,027,996.45

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Solution

The fourth proportional to 114,697,821.78, 158,241,473.99 and 75,027,996.45 is: 103,511,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,697,821.78 : 158,241,473.99 = 75,027,996.45 : x
  2. Step 2: Convert to fraction form
    114,697,821.78/158,241,473.99 = 75,027,996.45/x
  3. Step 3: Cross multiply
    114,697,821.78x = 158,241,473.99 × 75,027,996.45
  4. Step 4: Simplify right side
    114,697,821.78x = 11,872,540,748,389,348
  5. Step 5: Solve for x
    x = 11,872,540,748,389,348/114,697,821.78
  6. Step 6: Final answer
    x = 103,511,475.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.