Home / 218,884,549.56-302,058,424.62-121,100,105.40

Finding the Fourth Proportional to 218,884,549.56, 302,058,424.62 and 121,100,105.40

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Solution

The fourth proportional to 218,884,549.56, 302,058,424.62 and 121,100,105.40 is: 167,116,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,884,549.56 : 302,058,424.62 = 121,100,105.40 : x
  2. Step 2: Convert to fraction form
    218,884,549.56/302,058,424.62 = 121,100,105.40/x
  3. Step 3: Cross multiply
    218,884,549.56x = 302,058,424.62 × 121,100,105.40
  4. Step 4: Simplify right side
    218,884,549.56x = 36,579,307,058,439,960
  5. Step 5: Solve for x
    x = 36,579,307,058,439,960/218,884,549.56
  6. Step 6: Final answer
    x = 167,116,898.53

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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.