Home / 289,182,948.66-399,083,911.77-162,024,723.90

Finding the Fourth Proportional to 289,182,948.66, 399,083,911.77 and 162,024,723.90

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Solution

The fourth proportional to 289,182,948.66, 399,083,911.77 and 162,024,723.90 is: 223,600,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,182,948.66 : 399,083,911.77 = 162,024,723.90 : x
  2. Step 2: Convert to fraction form
    289,182,948.66/399,083,911.77 = 162,024,723.90/x
  3. Step 3: Cross multiply
    289,182,948.66x = 399,083,911.77 × 162,024,723.90
  4. Step 4: Simplify right side
    289,182,948.66x = 64,661,460,617,466,208
  5. Step 5: Solve for x
    x = 64,661,460,617,466,208/289,182,948.66
  6. Step 6: Final answer
    x = 223,600,530.10

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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.