Home / 217,493,496.86-300,141,008.97-118,374,954.98

Finding the Fourth Proportional to 217,493,496.86, 300,141,008.97 and 118,374,954.98

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Solution

The fourth proportional to 217,493,496.86, 300,141,008.97 and 118,374,954.98 is: 163,357,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,493,496.86 : 300,141,008.97 = 118,374,954.98 : x
  2. Step 2: Convert to fraction form
    217,493,496.86/300,141,008.97 = 118,374,954.98/x
  3. Step 3: Cross multiply
    217,493,496.86x = 300,141,008.97 × 118,374,954.98
  4. Step 4: Simplify right side
    217,493,496.86x = 35,529,178,424,475,532
  5. Step 5: Solve for x
    x = 35,529,178,424,475,532/217,493,496.86
  6. Step 6: Final answer
    x = 163,357,428.78

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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.