Home / 193,550,007.20-290,325,010.80-132,237,802.40

Finding the Fourth Proportional to 193,550,007.20, 290,325,010.80 and 132,237,802.40

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Solution

The fourth proportional to 193,550,007.20, 290,325,010.80 and 132,237,802.40 is: 198,356,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550,007.20 : 290,325,010.80 = 132,237,802.40 : x
  2. Step 2: Convert to fraction form
    193,550,007.20/290,325,010.80 = 132,237,802.40/x
  3. Step 3: Cross multiply
    193,550,007.20x = 290,325,010.80 × 132,237,802.40
  4. Step 4: Simplify right side
    193,550,007.20x = 38,391,941,409,948,272
  5. Step 5: Solve for x
    x = 38,391,941,409,948,272/193,550,007.20
  6. Step 6: Final answer
    x = 198,356,703.60

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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.