Home / 84,222,001.40-126,333,002.10-45,958,249.40

Finding the Fourth Proportional to 84,222,001.40, 126,333,002.10 and 45,958,249.40

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Solution

The fourth proportional to 84,222,001.40, 126,333,002.10 and 45,958,249.40 is: 68,937,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,222,001.40 : 126,333,002.10 = 45,958,249.40 : x
  2. Step 2: Convert to fraction form
    84,222,001.40/126,333,002.10 = 45,958,249.40/x
  3. Step 3: Cross multiply
    84,222,001.40x = 126,333,002.10 × 45,958,249.40
  4. Step 4: Simplify right side
    84,222,001.40x = 5,806,043,617,962,523
  5. Step 5: Solve for x
    x = 5,806,043,617,962,523/84,222,001.40
  6. Step 6: Final answer
    x = 68,937,374.10

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1.5x scale

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.