Home / 217,493,502.88-300,141,017.24-118,374,961

Finding the Fourth Proportional to 217,493,502.88, 300,141,017.24 and 118,374,961

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Solution

The fourth proportional to 217,493,502.88, 300,141,017.24 and 118,374,961 is: 163,357,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,493,502.88 : 300,141,017.24 = 118,374,961 : x
  2. Step 2: Convert to fraction form
    217,493,502.88/300,141,017.24 = 118,374,961/x
  3. Step 3: Cross multiply
    217,493,502.88x = 300,141,017.24 × 118,374,961
  4. Step 4: Simplify right side
    217,493,502.88x = 35,529,181,210,285,328
  5. Step 5: Solve for x
    x = 35,529,181,210,285,328/217,493,502.88
  6. Step 6: Final answer
    x = 163,357,437.07

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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.