Home / 217,492,729.74-300,146,558.13-118,380,644.10

Finding the Fourth Proportional to 217,492,729.74, 300,146,558.13 and 118,380,644.10

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Solution

The fourth proportional to 217,492,729.74, 300,146,558.13 and 118,380,644.10 is: 163,368,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,492,729.74 : 300,146,558.13 = 118,380,644.10 : x
  2. Step 2: Convert to fraction form
    217,492,729.74/300,146,558.13 = 118,380,644.10/x
  3. Step 3: Cross multiply
    217,492,729.74x = 300,146,558.13 × 118,380,644.10
  4. Step 4: Simplify right side
    217,492,729.74x = 35,531,542,875,827,488
  5. Step 5: Solve for x
    x = 35,531,542,875,827,488/217,492,729.74
  6. Step 6: Final answer
    x = 163,368,876.37

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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.