Home / 140,626,625,875.92-194,081,380,657.76-83,534,161,938.12

Finding the Fourth Proportional to 140,626,625,875.92, 194,081,380,657.76 and 83,534,161,938.12

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Solution

The fourth proportional to 140,626,625,875.92, 194,081,380,657.76 and 83,534,161,938.12 is: 115,287,026,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,626,625,875.92 : 194,081,380,657.76 = 83,534,161,938.12 : x
  2. Step 2: Convert to fraction form
    140,626,625,875.92/194,081,380,657.76 = 83,534,161,938.12/x
  3. Step 3: Cross multiply
    140,626,625,875.92x = 194,081,380,657.76 × 83,534,161,938.12
  4. Step 4: Simplify right side
    140,626,625,875.92x = 16,212,425,481,038,457,733,120
  5. Step 5: Solve for x
    x = 16,212,425,481,038,457,733,120/140,626,625,875.92
  6. Step 6: Final answer
    x = 115,287,026,052.54

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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.