Home / 149,100,194.60-223,575,451.53-86,871,651.38

Finding the Fourth Proportional to 149,100,194.60, 223,575,451.53 and 86,871,651.38

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Solution

The fourth proportional to 149,100,194.60, 223,575,451.53 and 86,871,651.38 is: 130,263,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,100,194.60 : 223,575,451.53 = 86,871,651.38 : x
  2. Step 2: Convert to fraction form
    149,100,194.60/223,575,451.53 = 86,871,651.38/x
  3. Step 3: Cross multiply
    149,100,194.60x = 223,575,451.53 × 86,871,651.38
  4. Step 4: Simplify right side
    149,100,194.60x = 19,422,368,681,322,372
  5. Step 5: Solve for x
    x = 19,422,368,681,322,372/149,100,194.60
  6. Step 6: Final answer
    x = 130,263,872.12

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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.