Home / 243,727,076.10-336,343,365.03-139,307,389.47

Finding the Fourth Proportional to 243,727,076.10, 336,343,365.03 and 139,307,389.47

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Solution

The fourth proportional to 243,727,076.10, 336,343,365.03 and 139,307,389.47 is: 192,244,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,727,076.10 : 336,343,365.03 = 139,307,389.47 : x
  2. Step 2: Convert to fraction form
    243,727,076.10/336,343,365.03 = 139,307,389.47/x
  3. Step 3: Cross multiply
    243,727,076.10x = 336,343,365.03 × 139,307,389.47
  4. Step 4: Simplify right side
    243,727,076.10x = 46,855,116,147,884,584
  5. Step 5: Solve for x
    x = 46,855,116,147,884,584/243,727,076.10
  6. Step 6: Final answer
    x = 192,244,197.48

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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.