Home / 158,461,419.09-218,672,538.91-91,478,116.59

Finding the Fourth Proportional to 158,461,419.09, 218,672,538.91 and 91,478,116.59

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Solution

The fourth proportional to 158,461,419.09, 218,672,538.91 and 91,478,116.59 is: 126,237,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,461,419.09 : 218,672,538.91 = 91,478,116.59 : x
  2. Step 2: Convert to fraction form
    158,461,419.09/218,672,538.91 = 91,478,116.59/x
  3. Step 3: Cross multiply
    158,461,419.09x = 218,672,538.91 × 91,478,116.59
  4. Step 4: Simplify right side
    158,461,419.09x = 20,003,752,009,440,292
  5. Step 5: Solve for x
    x = 20,003,752,009,440,292/158,461,419.09
  6. Step 6: Final answer
    x = 126,237,365.06

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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.