Home / 192,017,261.49-287,909,255.42-75,292,779.48

Finding the Fourth Proportional to 192,017,261.49, 287,909,255.42 and 75,292,779.48

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Solution

The fourth proportional to 192,017,261.49, 287,909,255.42 and 75,292,779.48 is: 112,893,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,017,261.49 : 287,909,255.42 = 75,292,779.48 : x
  2. Step 2: Convert to fraction form
    192,017,261.49/287,909,255.42 = 75,292,779.48/x
  3. Step 3: Cross multiply
    192,017,261.49x = 287,909,255.42 × 75,292,779.48
  4. Step 4: Simplify right side
    192,017,261.49x = 21,677,488,078,212,592
  5. Step 5: Solve for x
    x = 21,677,488,078,212,592/192,017,261.49
  6. Step 6: Final answer
    x = 112,893,434.22

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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.