Home / 243,634,499.91-335,843,660.58-149,374,138.59

Finding the Fourth Proportional to 243,634,499.91, 335,843,660.58 and 149,374,138.59

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Solution

The fourth proportional to 243,634,499.91, 335,843,660.58 and 149,374,138.59 is: 205,908,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,634,499.91 : 335,843,660.58 = 149,374,138.59 : x
  2. Step 2: Convert to fraction form
    243,634,499.91/335,843,660.58 = 149,374,138.59/x
  3. Step 3: Cross multiply
    243,634,499.91x = 335,843,660.58 × 149,374,138.59
  4. Step 4: Simplify right side
    243,634,499.91x = 50,166,357,500,049,840
  5. Step 5: Solve for x
    x = 50,166,357,500,049,840/243,634,499.91
  6. Step 6: Final answer
    x = 205,908,266.35

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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.