Home / 95,859,987.60-143,789,981.40-80,554,486.80

Finding the Fourth Proportional to 95,859,987.60, 143,789,981.40 and 80,554,486.80

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Solution

The fourth proportional to 95,859,987.60, 143,789,981.40 and 80,554,486.80 is: 120,831,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,859,987.60 : 143,789,981.40 = 80,554,486.80 : x
  2. Step 2: Convert to fraction form
    95,859,987.60/143,789,981.40 = 80,554,486.80/x
  3. Step 3: Cross multiply
    95,859,987.60x = 143,789,981.40 × 80,554,486.80
  4. Step 4: Simplify right side
    95,859,987.60x = 11,582,928,158,658,546
  5. Step 5: Solve for x
    x = 11,582,928,158,658,546/95,859,987.60
  6. Step 6: Final answer
    x = 120,831,730.20

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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.