Home / 313,117,066.55-432,089,713.97-173,896,796.39

Finding the Fourth Proportional to 313,117,066.55, 432,089,713.97 and 173,896,796.39

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Solution

The fourth proportional to 313,117,066.55, 432,089,713.97 and 173,896,796.39 is: 239,971,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,117,066.55 : 432,089,713.97 = 173,896,796.39 : x
  2. Step 2: Convert to fraction form
    313,117,066.55/432,089,713.97 = 173,896,796.39/x
  3. Step 3: Cross multiply
    313,117,066.55x = 432,089,713.97 × 173,896,796.39
  4. Step 4: Simplify right side
    313,117,066.55x = 75,139,017,010,728,720
  5. Step 5: Solve for x
    x = 75,139,017,010,728,720/313,117,066.55
  6. Step 6: Final answer
    x = 239,971,004.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.