Home / 219,177,187.24-302,460,811.38-121,389,943.72

Finding the Fourth Proportional to 219,177,187.24, 302,460,811.38 and 121,389,943.72

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Solution

The fourth proportional to 219,177,187.24, 302,460,811.38 and 121,389,943.72 is: 167,516,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,177,187.24 : 302,460,811.38 = 121,389,943.72 : x
  2. Step 2: Convert to fraction form
    219,177,187.24/302,460,811.38 = 121,389,943.72/x
  3. Step 3: Cross multiply
    219,177,187.24x = 302,460,811.38 × 121,389,943.72
  4. Step 4: Simplify right side
    219,177,187.24x = 36,715,700,870,923,736
  5. Step 5: Solve for x
    x = 36,715,700,870,923,736/219,177,187.24
  6. Step 6: Final answer
    x = 167,516,069.23

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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.