Home / 208,846,814.43-288,191,731.61-120,746,489.63

Finding the Fourth Proportional to 208,846,814.43, 288,191,731.61 and 120,746,489.63

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Solution

The fourth proportional to 208,846,814.43, 288,191,731.61 and 120,746,489.63 is: 166,620,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846,814.43 : 288,191,731.61 = 120,746,489.63 : x
  2. Step 2: Convert to fraction form
    208,846,814.43/288,191,731.61 = 120,746,489.63/x
  3. Step 3: Cross multiply
    208,846,814.43x = 288,191,731.61 × 120,746,489.63
  4. Step 4: Simplify right side
    208,846,814.43x = 34,798,139,930,253,920
  5. Step 5: Solve for x
    x = 34,798,139,930,253,920/208,846,814.43
  6. Step 6: Final answer
    x = 166,620,400.82

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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.