Home / 307,418,605.38-424,422,191.76-190,101,233.16

Finding the Fourth Proportional to 307,418,605.38, 424,422,191.76 and 190,101,233.16

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Solution

The fourth proportional to 307,418,605.38, 424,422,191.76 and 190,101,233.16 is: 262,453,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,418,605.38 : 424,422,191.76 = 190,101,233.16 : x
  2. Step 2: Convert to fraction form
    307,418,605.38/424,422,191.76 = 190,101,233.16/x
  3. Step 3: Cross multiply
    307,418,605.38x = 424,422,191.76 × 190,101,233.16
  4. Step 4: Simplify right side
    307,418,605.38x = 80,683,182,034,045,984
  5. Step 5: Solve for x
    x = 80,683,182,034,045,984/307,418,605.38
  6. Step 6: Final answer
    x = 262,453,802.80

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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.