Home / 104,976,140.70-157,464,211.05-83,293,347.90

Finding the Fourth Proportional to 104,976,140.70, 157,464,211.05 and 83,293,347.90

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Solution

The fourth proportional to 104,976,140.70, 157,464,211.05 and 83,293,347.90 is: 124,940,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,140.70 : 157,464,211.05 = 83,293,347.90 : x
  2. Step 2: Convert to fraction form
    104,976,140.70/157,464,211.05 = 83,293,347.90/x
  3. Step 3: Cross multiply
    104,976,140.70x = 157,464,211.05 × 83,293,347.90
  4. Step 4: Simplify right side
    104,976,140.70x = 13,115,721,312,786,676
  5. Step 5: Solve for x
    x = 13,115,721,312,786,676/104,976,140.70
  6. Step 6: Final answer
    x = 124,940,021.85

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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.