Home / 104,913,610.80-157,370,416.20-66,649,858.80

Finding the Fourth Proportional to 104,913,610.80, 157,370,416.20 and 66,649,858.80

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Solution

The fourth proportional to 104,913,610.80, 157,370,416.20 and 66,649,858.80 is: 99,974,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913,610.80 : 157,370,416.20 = 66,649,858.80 : x
  2. Step 2: Convert to fraction form
    104,913,610.80/157,370,416.20 = 66,649,858.80/x
  3. Step 3: Cross multiply
    104,913,610.80x = 157,370,416.20 × 66,649,858.80
  4. Step 4: Simplify right side
    104,913,610.80x = 10,488,716,019,027,232
  5. Step 5: Solve for x
    x = 10,488,716,019,027,232/104,913,610.80
  6. Step 6: Final answer
    x = 99,974,788.20

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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.