Home / 320,601,259.36-442,392,412.80-179,480,207.36

Finding the Fourth Proportional to 320,601,259.36, 442,392,412.80 and 179,480,207.36

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Solution

The fourth proportional to 320,601,259.36, 442,392,412.80 and 179,480,207.36 is: 247,661,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,601,259.36 : 442,392,412.80 = 179,480,207.36 : x
  2. Step 2: Convert to fraction form
    320,601,259.36/442,392,412.80 = 179,480,207.36/x
  3. Step 3: Cross multiply
    320,601,259.36x = 442,392,412.80 × 179,480,207.36
  4. Step 4: Simplify right side
    320,601,259.36x = 79,400,681,983,834,720
  5. Step 5: Solve for x
    x = 79,400,681,983,834,720/320,601,259.36
  6. Step 6: Final answer
    x = 247,661,790.67

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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.