Home / 159,489,825.02-220,096,054.95-86,150,999.42

Finding the Fourth Proportional to 159,489,825.02, 220,096,054.95 and 86,150,999.42

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Solution

The fourth proportional to 159,489,825.02, 220,096,054.95 and 86,150,999.42 is: 118,888,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,489,825.02 : 220,096,054.95 = 86,150,999.42 : x
  2. Step 2: Convert to fraction form
    159,489,825.02/220,096,054.95 = 86,150,999.42/x
  3. Step 3: Cross multiply
    159,489,825.02x = 220,096,054.95 × 86,150,999.42
  4. Step 4: Simplify right side
    159,489,825.02x = 18,961,495,102,341,736
  5. Step 5: Solve for x
    x = 18,961,495,102,341,736/159,489,825.02
  6. Step 6: Final answer
    x = 118,888,431.28

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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.