Home / 83,487,213.12-115,212,309.54-45,810,624.49

Finding the Fourth Proportional to 83,487,213.12, 115,212,309.54 and 45,810,624.49

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Solution

The fourth proportional to 83,487,213.12, 115,212,309.54 and 45,810,624.49 is: 63,218,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487,213.12 : 115,212,309.54 = 45,810,624.49 : x
  2. Step 2: Convert to fraction form
    83,487,213.12/115,212,309.54 = 45,810,624.49/x
  3. Step 3: Cross multiply
    83,487,213.12x = 115,212,309.54 × 45,810,624.49
  4. Step 4: Simplify right side
    83,487,213.12x = 5,277,947,849,084,770
  5. Step 5: Solve for x
    x = 5,277,947,849,084,770/83,487,213.12
  6. Step 6: Final answer
    x = 63,218,637.34

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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.