Home / 363,478,207.20-545,220,421.20-121,141,111.20

Finding the Fourth Proportional to 363,478,207.20, 545,220,421.20 and 121,141,111.20

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Solution

The fourth proportional to 363,478,207.20, 545,220,421.20 and 121,141,111.20 is: 181,712,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,478,207.20 : 545,220,421.20 = 121,141,111.20 : x
  2. Step 2: Convert to fraction form
    363,478,207.20/545,220,421.20 = 121,141,111.20/x
  3. Step 3: Cross multiply
    363,478,207.20x = 545,220,421.20 × 121,141,111.20
  4. Step 4: Simplify right side
    363,478,207.20x = 66,048,607,673,100,048
  5. Step 5: Solve for x
    x = 66,048,607,673,100,048/363,478,207.20
  6. Step 6: Final answer
    x = 181,712,703.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.