Home / 217,800,068.82-300,564,123.03-118,680,832.14

Finding the Fourth Proportional to 217,800,068.82, 300,564,123.03 and 118,680,832.14

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Solution

The fourth proportional to 217,800,068.82, 300,564,123.03 and 118,680,832.14 is: 163,779,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,800,068.82 : 300,564,123.03 = 118,680,832.14 : x
  2. Step 2: Convert to fraction form
    217,800,068.82/300,564,123.03 = 118,680,832.14/x
  3. Step 3: Cross multiply
    217,800,068.82x = 300,564,123.03 × 118,680,832.14
  4. Step 4: Simplify right side
    217,800,068.82x = 35,671,200,232,629,736
  5. Step 5: Solve for x
    x = 35,671,200,232,629,736/217,800,068.82
  6. Step 6: Final answer
    x = 163,779,563.64

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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.