Home / 83,457,642.70-125,098,109.16-28,072,752.22

Finding the Fourth Proportional to 83,457,642.70, 125,098,109.16 and 28,072,752.22

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Solution

The fourth proportional to 83,457,642.70, 125,098,109.16 and 28,072,752.22 is: 42,079,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,457,642.70 : 125,098,109.16 = 28,072,752.22 : x
  2. Step 2: Convert to fraction form
    83,457,642.70/125,098,109.16 = 28,072,752.22/x
  3. Step 3: Cross multiply
    83,457,642.70x = 125,098,109.16 × 28,072,752.22
  4. Step 4: Simplify right side
    83,457,642.70x = 3,511,848,221,639,192
  5. Step 5: Solve for x
    x = 3,511,848,221,639,192/83,457,642.70
  6. Step 6: Final answer
    x = 42,079,408.28

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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.