Home / 243,037,559.84-335,393,923.79-138,620,917.89

Finding the Fourth Proportional to 243,037,559.84, 335,393,923.79 and 138,620,917.89

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Solution

The fourth proportional to 243,037,559.84, 335,393,923.79 and 138,620,917.89 is: 191,298,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,037,559.84 : 335,393,923.79 = 138,620,917.89 : x
  2. Step 2: Convert to fraction form
    243,037,559.84/335,393,923.79 = 138,620,917.89/x
  3. Step 3: Cross multiply
    243,037,559.84x = 335,393,923.79 × 138,620,917.89
  4. Step 4: Simplify right side
    243,037,559.84x = 46,492,613,570,845,056
  5. Step 5: Solve for x
    x = 46,492,613,570,845,056/243,037,559.84
  6. Step 6: Final answer
    x = 191,298,059.45

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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.