Home / 208,213,637.86-310,458,973.31-202,493,132.20

Finding the Fourth Proportional to 208,213,637.86, 310,458,973.31 and 202,493,132.20

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Solution

The fourth proportional to 208,213,637.86, 310,458,973.31 and 202,493,132.20 is: 301,929,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,213,637.86 : 310,458,973.31 = 202,493,132.20 : x
  2. Step 2: Convert to fraction form
    208,213,637.86/310,458,973.31 = 202,493,132.20/x
  3. Step 3: Cross multiply
    208,213,637.86x = 310,458,973.31 × 202,493,132.20
  4. Step 4: Simplify right side
    208,213,637.86x = 62,865,809,925,138,096
  5. Step 5: Solve for x
    x = 62,865,809,925,138,096/208,213,637.86
  6. Step 6: Final answer
    x = 301,929,357.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.