Home / 145,164,843.40-217,747,265.10-96,791,902.60

Finding the Fourth Proportional to 145,164,843.40, 217,747,265.10 and 96,791,902.60

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Solution

The fourth proportional to 145,164,843.40, 217,747,265.10 and 96,791,902.60 is: 145,187,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,164,843.40 : 217,747,265.10 = 96,791,902.60 : x
  2. Step 2: Convert to fraction form
    145,164,843.40/217,747,265.10 = 96,791,902.60/x
  3. Step 3: Cross multiply
    145,164,843.40x = 217,747,265.10 × 96,791,902.60
  4. Step 4: Simplify right side
    145,164,843.40x = 21,076,172,074,975,576
  5. Step 5: Solve for x
    x = 21,076,172,074,975,576/145,164,843.40
  6. Step 6: Final answer
    x = 145,187,853.90

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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.