Home / 53,650,643.40-80,496,960.30-19,575,433.80

Finding the Fourth Proportional to 53,650,643.40, 80,496,960.30 and 19,575,433.80

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Solution

The fourth proportional to 53,650,643.40, 80,496,960.30 and 19,575,433.80 is: 29,370,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650,643.40 : 80,496,960.30 = 19,575,433.80 : x
  2. Step 2: Convert to fraction form
    53,650,643.40/80,496,960.30 = 19,575,433.80/x
  3. Step 3: Cross multiply
    53,650,643.40x = 80,496,960.30 × 19,575,433.80
  4. Step 4: Simplify right side
    53,650,643.40x = 1,575,762,917,453,878.25
  5. Step 5: Solve for x
    x = 1,575,762,917,453,878.25/53,650,643.40
  6. Step 6: Final answer
    x = 29,370,811.19

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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.