Home / 253,616,924.88-349,985,435.16-149,201,720.40

Finding the Fourth Proportional to 253,616,924.88, 349,985,435.16 and 149,201,720.40

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Solution

The fourth proportional to 253,616,924.88, 349,985,435.16 and 149,201,720.40 is: 205,894,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,616,924.88 : 349,985,435.16 = 149,201,720.40 : x
  2. Step 2: Convert to fraction form
    253,616,924.88/349,985,435.16 = 149,201,720.40/x
  3. Step 3: Cross multiply
    253,616,924.88x = 349,985,435.16 × 149,201,720.40
  4. Step 4: Simplify right side
    253,616,924.88x = 52,218,429,040,814,656
  5. Step 5: Solve for x
    x = 52,218,429,040,814,656/253,616,924.88
  6. Step 6: Final answer
    x = 205,894,890.75

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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.