Home / 201,270,802.35-301,856,339.91-86,242,300.59

Finding the Fourth Proportional to 201,270,802.35, 301,856,339.91 and 86,242,300.59

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Solution

The fourth proportional to 201,270,802.35, 301,856,339.91 and 86,242,300.59 is: 129,342,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,270,802.35 : 301,856,339.91 = 86,242,300.59 : x
  2. Step 2: Convert to fraction form
    201,270,802.35/301,856,339.91 = 86,242,300.59/x
  3. Step 3: Cross multiply
    201,270,802.35x = 301,856,339.91 × 86,242,300.59
  4. Step 4: Simplify right side
    201,270,802.35x = 26,032,785,201,515,436
  5. Step 5: Solve for x
    x = 26,032,785,201,515,436/201,270,802.35
  6. Step 6: Final answer
    x = 129,342,084.88

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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.