Home / 188,640,881.20-282,289,475.40-130,862,090.80

Finding the Fourth Proportional to 188,640,881.20, 282,289,475.40 and 130,862,090.80

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Solution

The fourth proportional to 188,640,881.20, 282,289,475.40 and 130,862,090.80 is: 195,827,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,640,881.20 : 282,289,475.40 = 130,862,090.80 : x
  2. Step 2: Convert to fraction form
    188,640,881.20/282,289,475.40 = 130,862,090.80/x
  3. Step 3: Cross multiply
    188,640,881.20x = 282,289,475.40 × 130,862,090.80
  4. Step 4: Simplify right side
    188,640,881.20x = 36,940,990,961,679,160
  5. Step 5: Solve for x
    x = 36,940,990,961,679,160/188,640,881.20
  6. Step 6: Final answer
    x = 195,827,069.54

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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.