Home / 151,726,543.74-209,382,627.80-82,111,924.63

Finding the Fourth Proportional to 151,726,543.74, 209,382,627.80 and 82,111,924.63

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Solution

The fourth proportional to 151,726,543.74, 209,382,627.80 and 82,111,924.63 is: 113,314,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,726,543.74 : 209,382,627.80 = 82,111,924.63 : x
  2. Step 2: Convert to fraction form
    151,726,543.74/209,382,627.80 = 82,111,924.63/x
  3. Step 3: Cross multiply
    151,726,543.74x = 209,382,627.80 × 82,111,924.63
  4. Step 4: Simplify right side
    151,726,543.74x = 17,192,810,552,744,942
  5. Step 5: Solve for x
    x = 17,192,810,552,744,942/151,726,543.74
  6. Step 6: Final answer
    x = 113,314,454.60

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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.