Home / 170,429,935.40-255,644,903.10-118,277,858.60

Finding the Fourth Proportional to 170,429,935.40, 255,644,903.10 and 118,277,858.60

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Solution

The fourth proportional to 170,429,935.40, 255,644,903.10 and 118,277,858.60 is: 177,416,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,429,935.40 : 255,644,903.10 = 118,277,858.60 : x
  2. Step 2: Convert to fraction form
    170,429,935.40/255,644,903.10 = 118,277,858.60/x
  3. Step 3: Cross multiply
    170,429,935.40x = 255,644,903.10 × 118,277,858.60
  4. Step 4: Simplify right side
    170,429,935.40x = 30,237,131,700,672,500
  5. Step 5: Solve for x
    x = 30,237,131,700,672,500/170,429,935.40
  6. Step 6: Final answer
    x = 177,416,787.90

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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.