Home / 158,461,417.09-218,672,536.15-91,478,114.59

Finding the Fourth Proportional to 158,461,417.09, 218,672,536.15 and 91,478,114.59

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Solution

The fourth proportional to 158,461,417.09, 218,672,536.15 and 91,478,114.59 is: 126,237,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,461,417.09 : 218,672,536.15 = 91,478,114.59 : x
  2. Step 2: Convert to fraction form
    158,461,417.09/218,672,536.15 = 91,478,114.59/x
  3. Step 3: Cross multiply
    158,461,417.09x = 218,672,536.15 × 91,478,114.59
  4. Step 4: Simplify right side
    158,461,417.09x = 20,003,751,319,615,620
  5. Step 5: Solve for x
    x = 20,003,751,319,615,620/158,461,417.09
  6. Step 6: Final answer
    x = 126,237,362.30

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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.