Home / 243,727,073.57-336,343,361.53-139,307,386.93

Finding the Fourth Proportional to 243,727,073.57, 336,343,361.53 and 139,307,386.93

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Solution

The fourth proportional to 243,727,073.57, 336,343,361.53 and 139,307,386.93 is: 192,244,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,727,073.57 : 336,343,361.53 = 139,307,386.93 : x
  2. Step 2: Convert to fraction form
    243,727,073.57/336,343,361.53 = 139,307,386.93/x
  3. Step 3: Cross multiply
    243,727,073.57x = 336,343,361.53 × 139,307,386.93
  4. Step 4: Simplify right side
    243,727,073.57x = 46,855,114,806,959,616
  5. Step 5: Solve for x
    x = 46,855,114,806,959,616/243,727,073.57
  6. Step 6: Final answer
    x = 192,244,193.97

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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.