Home / 243,201,709.24-335,642,319.06-138,795,495.64

Finding the Fourth Proportional to 243,201,709.24, 335,642,319.06 and 138,795,495.64

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Solution

The fourth proportional to 243,201,709.24, 335,642,319.06 and 138,795,495.64 is: 191,551,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,201,709.24 : 335,642,319.06 = 138,795,495.64 : x
  2. Step 2: Convert to fraction form
    243,201,709.24/335,642,319.06 = 138,795,495.64/x
  3. Step 3: Cross multiply
    243,201,709.24x = 335,642,319.06 × 138,795,495.64
  4. Step 4: Simplify right side
    243,201,709.24x = 46,585,642,031,691,712
  5. Step 5: Solve for x
    x = 46,585,642,031,691,712/243,201,709.24
  6. Step 6: Final answer
    x = 191,551,458.16

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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.