Home / 140,626,625,884.84-194,081,380,670.12-83,534,161,947.04

Finding the Fourth Proportional to 140,626,625,884.84, 194,081,380,670.12 and 83,534,161,947.04

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Solution

The fourth proportional to 140,626,625,884.84, 194,081,380,670.12 and 83,534,161,947.04 is: 115,287,026,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,626,625,884.84 : 194,081,380,670.12 = 83,534,161,947.04 : x
  2. Step 2: Convert to fraction form
    140,626,625,884.84/194,081,380,670.12 = 83,534,161,947.04/x
  3. Step 3: Cross multiply
    140,626,625,884.84x = 194,081,380,670.12 × 83,534,161,947.04
  4. Step 4: Simplify right side
    140,626,625,884.84x = 16,212,425,483,802,921,402,368
  5. Step 5: Solve for x
    x = 16,212,425,483,802,921,402,368/140,626,625,884.84
  6. Step 6: Final answer
    x = 115,287,026,064.89

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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.