Home / 166,111,887.65-249,032,936.70-69,140,180.68

Finding the Fourth Proportional to 166,111,887.65, 249,032,936.70 and 69,140,180.68

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Solution

The fourth proportional to 166,111,887.65, 249,032,936.70 and 69,140,180.68 is: 103,654,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,111,887.65 : 249,032,936.70 = 69,140,180.68 : x
  2. Step 2: Convert to fraction form
    166,111,887.65/249,032,936.70 = 69,140,180.68/x
  3. Step 3: Cross multiply
    166,111,887.65x = 249,032,936.70 × 69,140,180.68
  4. Step 4: Simplify right side
    166,111,887.65x = 17,218,182,238,086,418
  5. Step 5: Solve for x
    x = 17,218,182,238,086,418/166,111,887.65
  6. Step 6: Final answer
    x = 103,654,124.23

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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.