Home / 188,483,013.60-282,724,520.40-127,261,010.40

Finding the Fourth Proportional to 188,483,013.60, 282,724,520.40 and 127,261,010.40

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Solution

The fourth proportional to 188,483,013.60, 282,724,520.40 and 127,261,010.40 is: 190,891,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,483,013.60 : 282,724,520.40 = 127,261,010.40 : x
  2. Step 2: Convert to fraction form
    188,483,013.60/282,724,520.40 = 127,261,010.40/x
  3. Step 3: Cross multiply
    188,483,013.60x = 282,724,520.40 × 127,261,010.40
  4. Step 4: Simplify right side
    188,483,013.60x = 35,979,808,130,959,412
  5. Step 5: Solve for x
    x = 35,979,808,130,959,412/188,483,013.60
  6. Step 6: Final answer
    x = 190,891,515.60

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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.