Home / 264,961,410.26-397,612,175.29-128,572,392.02

Finding the Fourth Proportional to 264,961,410.26, 397,612,175.29 and 128,572,392.02

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Solution

The fourth proportional to 264,961,410.26, 397,612,175.29 and 128,572,392.02 is: 192,941,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,961,410.26 : 397,612,175.29 = 128,572,392.02 : x
  2. Step 2: Convert to fraction form
    264,961,410.26/397,612,175.29 = 128,572,392.02/x
  3. Step 3: Cross multiply
    264,961,410.26x = 397,612,175.29 × 128,572,392.02
  4. Step 4: Simplify right side
    264,961,410.26x = 51,121,948,471,001,352
  5. Step 5: Solve for x
    x = 51,121,948,471,001,352/264,961,410.26
  6. Step 6: Final answer
    x = 192,941,109.51

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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.