Home / 153,467,624.57-211,784,996.12-83,853,504.59

Finding the Fourth Proportional to 153,467,624.57, 211,784,996.12 and 83,853,504.59

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Solution

The fourth proportional to 153,467,624.57, 211,784,996.12 and 83,853,504.59 is: 115,717,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,467,624.57 : 211,784,996.12 = 83,853,504.59 : x
  2. Step 2: Convert to fraction form
    153,467,624.57/211,784,996.12 = 83,853,504.59/x
  3. Step 3: Cross multiply
    153,467,624.57x = 211,784,996.12 × 83,853,504.59
  4. Step 4: Simplify right side
    153,467,624.57x = 17,758,914,142,763,360
  5. Step 5: Solve for x
    x = 17,758,914,142,763,360/153,467,624.57
  6. Step 6: Final answer
    x = 115,717,658.32

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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.