Home / 243,727,074.02-336,343,362.12-139,307,387.36

Finding the Fourth Proportional to 243,727,074.02, 336,343,362.12 and 139,307,387.36

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Solution

The fourth proportional to 243,727,074.02, 336,343,362.12 and 139,307,387.36 is: 192,244,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,727,074.02 : 336,343,362.12 = 139,307,387.36 : x
  2. Step 2: Convert to fraction form
    243,727,074.02/336,343,362.12 = 139,307,387.36/x
  3. Step 3: Cross multiply
    243,727,074.02x = 336,343,362.12 × 139,307,387.36
  4. Step 4: Simplify right side
    243,727,074.02x = 46,855,115,031,133,872
  5. Step 5: Solve for x
    x = 46,855,115,031,133,872/243,727,074.02
  6. Step 6: Final answer
    x = 192,244,194.53

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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.