Home / 144,651,546.80-216,977,320.20-87,208,679.60

Finding the Fourth Proportional to 144,651,546.80, 216,977,320.20 and 87,208,679.60

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Solution

The fourth proportional to 144,651,546.80, 216,977,320.20 and 87,208,679.60 is: 130,813,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,651,546.80 : 216,977,320.20 = 87,208,679.60 : x
  2. Step 2: Convert to fraction form
    144,651,546.80/216,977,320.20 = 87,208,679.60/x
  3. Step 3: Cross multiply
    144,651,546.80x = 216,977,320.20 × 87,208,679.60
  4. Step 4: Simplify right side
    144,651,546.80x = 18,922,305,597,788,404
  5. Step 5: Solve for x
    x = 18,922,305,597,788,404/144,651,546.80
  6. Step 6: Final answer
    x = 130,813,019.40

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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.