Home / 67,487,968.50-101,249,215.47-19,618,912.50

Finding the Fourth Proportional to 67,487,968.50, 101,249,215.47 and 19,618,912.50

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Solution

The fourth proportional to 67,487,968.50, 101,249,215.47 and 19,618,912.50 is: 29,433,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487,968.50 : 101,249,215.47 = 19,618,912.50 : x
  2. Step 2: Convert to fraction form
    67,487,968.50/101,249,215.47 = 19,618,912.50/x
  3. Step 3: Cross multiply
    67,487,968.50x = 101,249,215.47 × 19,618,912.50
  4. Step 4: Simplify right side
    67,487,968.50x = 1,986,399,498,999,576.25
  5. Step 5: Solve for x
    x = 1,986,399,498,999,576.25/67,487,968.50
  6. Step 6: Final answer
    x = 29,433,387.06

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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.