Home / 249,832,712.53-344,153,112.42-212,543,563.87

Finding the Fourth Proportional to 249,832,712.53, 344,153,112.42 and 212,543,563.87

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Solution

The fourth proportional to 249,832,712.53, 344,153,112.42 and 212,543,563.87 is: 292,786,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,832,712.53 : 344,153,112.42 = 212,543,563.87 : x
  2. Step 2: Convert to fraction form
    249,832,712.53/344,153,112.42 = 212,543,563.87/x
  3. Step 3: Cross multiply
    249,832,712.53x = 344,153,112.42 × 212,543,563.87
  4. Step 4: Simplify right side
    249,832,712.53x = 73,147,529,030,699,568
  5. Step 5: Solve for x
    x = 73,147,529,030,699,568/249,832,712.53
  6. Step 6: Final answer
    x = 292,786,033.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.