Home / 126,697,744.22-190,118,509.02-68,404,645.13

Finding the Fourth Proportional to 126,697,744.22, 190,118,509.02 and 68,404,645.13

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Solution

The fourth proportional to 126,697,744.22, 190,118,509.02 and 68,404,645.13 is: 102,645,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,697,744.22 : 190,118,509.02 = 68,404,645.13 : x
  2. Step 2: Convert to fraction form
    126,697,744.22/190,118,509.02 = 68,404,645.13/x
  3. Step 3: Cross multiply
    126,697,744.22x = 190,118,509.02 × 68,404,645.13
  4. Step 4: Simplify right side
    126,697,744.22x = 13,004,989,141,207,212
  5. Step 5: Solve for x
    x = 13,004,989,141,207,212/126,697,744.22
  6. Step 6: Final answer
    x = 102,645,782.86

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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.