Home / 122,354,220.50-168,853,279.70-66,596,947.91

Finding the Fourth Proportional to 122,354,220.50, 168,853,279.70 and 66,596,947.91

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Solution

The fourth proportional to 122,354,220.50, 168,853,279.70 and 66,596,947.91 is: 91,906,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,354,220.50 : 168,853,279.70 = 66,596,947.91 : x
  2. Step 2: Convert to fraction form
    122,354,220.50/168,853,279.70 = 66,596,947.91/x
  3. Step 3: Cross multiply
    122,354,220.50x = 168,853,279.70 × 66,596,947.91
  4. Step 4: Simplify right side
    122,354,220.50x = 11,245,113,072,613,560
  5. Step 5: Solve for x
    x = 11,245,113,072,613,560/122,354,220.50
  6. Step 6: Final answer
    x = 91,906,213.18

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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.