Home / 217,466,695.08-300,036,445.38-123,365,344.68

Finding the Fourth Proportional to 217,466,695.08, 300,036,445.38 and 123,365,344.68

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Solution

The fourth proportional to 217,466,695.08, 300,036,445.38 and 123,365,344.68 is: 170,205,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,466,695.08 : 300,036,445.38 = 123,365,344.68 : x
  2. Step 2: Convert to fraction form
    217,466,695.08/300,036,445.38 = 123,365,344.68/x
  3. Step 3: Cross multiply
    217,466,695.08x = 300,036,445.38 × 123,365,344.68
  4. Step 4: Simplify right side
    217,466,695.08x = 37,014,099,500,865,696
  5. Step 5: Solve for x
    x = 37,014,099,500,865,696/217,466,695.08
  6. Step 6: Final answer
    x = 170,205,830.77

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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.