Home / 201,584,987.40-302,433,468.30-86,624,603.40

Finding the Fourth Proportional to 201,584,987.40, 302,433,468.30 and 86,624,603.40

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Solution

The fourth proportional to 201,584,987.40, 302,433,468.30 and 86,624,603.40 is: 129,960,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,584,987.40 : 302,433,468.30 = 86,624,603.40 : x
  2. Step 2: Convert to fraction form
    201,584,987.40/302,433,468.30 = 86,624,603.40/x
  3. Step 3: Cross multiply
    201,584,987.40x = 302,433,468.30 × 86,624,603.40
  4. Step 4: Simplify right side
    201,584,987.40x = 26,198,179,246,373,976
  5. Step 5: Solve for x
    x = 26,198,179,246,373,976/201,584,987.40
  6. Step 6: Final answer
    x = 129,960,963.78

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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.