Home / 145,497,963.20-200,757,215.93-83,606,344.34

Finding the Fourth Proportional to 145,497,963.20, 200,757,215.93 and 83,606,344.34

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Solution

The fourth proportional to 145,497,963.20, 200,757,215.93 and 83,606,344.34 is: 115,359,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,497,963.20 : 200,757,215.93 = 83,606,344.34 : x
  2. Step 2: Convert to fraction form
    145,497,963.20/200,757,215.93 = 83,606,344.34/x
  3. Step 3: Cross multiply
    145,497,963.20x = 200,757,215.93 × 83,606,344.34
  4. Step 4: Simplify right side
    145,497,963.20x = 16,784,576,923,783,314
  5. Step 5: Solve for x
    x = 16,784,576,923,783,314/145,497,963.20
  6. Step 6: Final answer
    x = 115,359,531.88

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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.