Home / 67,487,971.50-101,249,219.97-19,618,915.50

Finding the Fourth Proportional to 67,487,971.50, 101,249,219.97 and 19,618,915.50

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Solution

The fourth proportional to 67,487,971.50, 101,249,219.97 and 19,618,915.50 is: 29,433,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487,971.50 : 101,249,219.97 = 19,618,915.50 : x
  2. Step 2: Convert to fraction form
    67,487,971.50/101,249,219.97 = 19,618,915.50/x
  3. Step 3: Cross multiply
    67,487,971.50x = 101,249,219.97 × 19,618,915.50
  4. Step 4: Simplify right side
    67,487,971.50x = 1,986,399,891,032,342.50
  5. Step 5: Solve for x
    x = 1,986,399,891,032,342.50/67,487,971.50
  6. Step 6: Final answer
    x = 29,433,391.56

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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.