Home / 345,741,482.88-477,126,947.37-189,105,240.51

Finding the Fourth Proportional to 345,741,482.88, 477,126,947.37 and 189,105,240.51

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Solution

The fourth proportional to 345,741,482.88, 477,126,947.37 and 189,105,240.51 is: 260,967,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,741,482.88 : 477,126,947.37 = 189,105,240.51 : x
  2. Step 2: Convert to fraction form
    345,741,482.88/477,126,947.37 = 189,105,240.51/x
  3. Step 3: Cross multiply
    345,741,482.88x = 477,126,947.37 × 189,105,240.51
  4. Step 4: Simplify right side
    345,741,482.88x = 90,227,206,136,205,952
  5. Step 5: Solve for x
    x = 90,227,206,136,205,952/345,741,482.88
  6. Step 6: Final answer
    x = 260,967,256.18

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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.