Home / 168,032,862.72-251,573,977.04-89,069,445.92

Finding the Fourth Proportional to 168,032,862.72, 251,573,977.04 and 89,069,445.92

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Solution

The fourth proportional to 168,032,862.72, 251,573,977.04 and 89,069,445.92 is: 133,352,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,032,862.72 : 251,573,977.04 = 89,069,445.92 : x
  2. Step 2: Convert to fraction form
    168,032,862.72/251,573,977.04 = 89,069,445.92/x
  3. Step 3: Cross multiply
    168,032,862.72x = 251,573,977.04 × 89,069,445.92
  4. Step 4: Simplify right side
    168,032,862.72x = 22,407,554,743,027,188
  5. Step 5: Solve for x
    x = 22,407,554,743,027,188/168,032,862.72
  6. Step 6: Final answer
    x = 133,352,216.82

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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.