Home / 288,486,538.07-432,733,131.32-104,268,004.79

Finding the Fourth Proportional to 288,486,538.07, 432,733,131.32 and 104,268,004.79

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Solution

The fourth proportional to 288,486,538.07, 432,733,131.32 and 104,268,004.79 is: 156,403,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,486,538.07 : 432,733,131.32 = 104,268,004.79 : x
  2. Step 2: Convert to fraction form
    288,486,538.07/432,733,131.32 = 104,268,004.79/x
  3. Step 3: Cross multiply
    288,486,538.07x = 432,733,131.32 × 104,268,004.79
  4. Step 4: Simplify right side
    288,486,538.07x = 45,120,220,206,580,448
  5. Step 5: Solve for x
    x = 45,120,220,206,580,448/288,486,538.07
  6. Step 6: Final answer
    x = 156,403,208.65

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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.