Home / 191,385,376.89-264,113,148.69-108,879,161.64

Finding the Fourth Proportional to 191,385,376.89, 264,113,148.69 and 108,879,161.64

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Solution

The fourth proportional to 191,385,376.89, 264,113,148.69 and 108,879,161.64 is: 150,253,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,385,376.89 : 264,113,148.69 = 108,879,161.64 : x
  2. Step 2: Convert to fraction form
    191,385,376.89/264,113,148.69 = 108,879,161.64/x
  3. Step 3: Cross multiply
    191,385,376.89x = 264,113,148.69 × 108,879,161.64
  4. Step 4: Simplify right side
    191,385,376.89x = 28,756,418,207,467,864
  5. Step 5: Solve for x
    x = 28,756,418,207,467,864/191,385,376.89
  6. Step 6: Final answer
    x = 150,253,998.89

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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.