Home / 219,343,475.25-302,726,483.49-138,882,945.65

Finding the Fourth Proportional to 219,343,475.25, 302,726,483.49 and 138,882,945.65

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Solution

The fourth proportional to 219,343,475.25, 302,726,483.49 and 138,882,945.65 is: 191,679,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,343,475.25 : 302,726,483.49 = 138,882,945.65 : x
  2. Step 2: Convert to fraction form
    219,343,475.25/302,726,483.49 = 138,882,945.65/x
  3. Step 3: Cross multiply
    219,343,475.25x = 302,726,483.49 × 138,882,945.65
  4. Step 4: Simplify right side
    219,343,475.25x = 42,043,545,751,843,664
  5. Step 5: Solve for x
    x = 42,043,545,751,843,664/219,343,475.25
  6. Step 6: Final answer
    x = 191,679,035.38

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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.