Home / 289,192,309.43-433,485,733.71-121,027,435.07

Finding the Fourth Proportional to 289,192,309.43, 433,485,733.71 and 121,027,435.07

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Solution

The fourth proportional to 289,192,309.43, 433,485,733.71 and 121,027,435.07 is: 181,414,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,192,309.43 : 433,485,733.71 = 121,027,435.07 : x
  2. Step 2: Convert to fraction form
    289,192,309.43/433,485,733.71 = 121,027,435.07/x
  3. Step 3: Cross multiply
    289,192,309.43x = 433,485,733.71 × 121,027,435.07
  4. Step 4: Simplify right side
    289,192,309.43x = 52,463,666,490,358,328
  5. Step 5: Solve for x
    x = 52,463,666,490,358,328/289,192,309.43
  6. Step 6: Final answer
    x = 181,414,459.44

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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.