Home / 193,628,159.88-290,503,637.91-69,128,117.52

Finding the Fourth Proportional to 193,628,159.88, 290,503,637.91 and 69,128,117.52

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Solution

The fourth proportional to 193,628,159.88, 290,503,637.91 and 69,128,117.52 is: 103,714,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,628,159.88 : 290,503,637.91 = 69,128,117.52 : x
  2. Step 2: Convert to fraction form
    193,628,159.88/290,503,637.91 = 69,128,117.52/x
  3. Step 3: Cross multiply
    193,628,159.88x = 290,503,637.91 × 69,128,117.52
  4. Step 4: Simplify right side
    193,628,159.88x = 20,081,969,621,430,008
  5. Step 5: Solve for x
    x = 20,081,969,621,430,008/193,628,159.88
  6. Step 6: Final answer
    x = 103,714,096.31

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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.