Home / 287,314,141.68-430,971,216.21-68,964,483.27

Finding the Fourth Proportional to 287,314,141.68, 430,971,216.21 and 68,964,483.27

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Solution

The fourth proportional to 287,314,141.68, 430,971,216.21 and 68,964,483.27 is: 103,446,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,314,141.68 : 430,971,216.21 = 68,964,483.27 : x
  2. Step 2: Convert to fraction form
    287,314,141.68/430,971,216.21 = 68,964,483.27/x
  3. Step 3: Cross multiply
    287,314,141.68x = 430,971,216.21 × 68,964,483.27
  4. Step 4: Simplify right side
    287,314,141.68x = 29,721,707,230,166,096
  5. Step 5: Solve for x
    x = 29,721,707,230,166,096/287,314,141.68
  6. Step 6: Final answer
    x = 103,446,725.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.