Home / 255,467,835.90-352,545,559.22-137,993,167.30

Finding the Fourth Proportional to 255,467,835.90, 352,545,559.22 and 137,993,167.30

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Solution

The fourth proportional to 255,467,835.90, 352,545,559.22 and 137,993,167.30 is: 190,430,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,467,835.90 : 352,545,559.22 = 137,993,167.30 : x
  2. Step 2: Convert to fraction form
    255,467,835.90/352,545,559.22 = 137,993,167.30/x
  3. Step 3: Cross multiply
    255,467,835.90x = 352,545,559.22 × 137,993,167.30
  4. Step 4: Simplify right side
    255,467,835.90x = 48,648,878,334,317,528
  5. Step 5: Solve for x
    x = 48,648,878,334,317,528/255,467,835.90
  6. Step 6: Final answer
    x = 190,430,541.53

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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.