Home / 193,389,721.20-290,084,581.80-155,125,969.20

Finding the Fourth Proportional to 193,389,721.20, 290,084,581.80 and 155,125,969.20

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Solution

The fourth proportional to 193,389,721.20, 290,084,581.80 and 155,125,969.20 is: 232,688,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,389,721.20 : 290,084,581.80 = 155,125,969.20 : x
  2. Step 2: Convert to fraction form
    193,389,721.20/290,084,581.80 = 155,125,969.20/x
  3. Step 3: Cross multiply
    193,389,721.20x = 290,084,581.80 × 155,125,969.20
  4. Step 4: Simplify right side
    193,389,721.20x = 44,999,651,901,701,680
  5. Step 5: Solve for x
    x = 44,999,651,901,701,680/193,389,721.20
  6. Step 6: Final answer
    x = 232,688,953.80

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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.