Home / 81,590,670.03-122,309,062.95-40,611,365.22

Finding the Fourth Proportional to 81,590,670.03, 122,309,062.95 and 40,611,365.22

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Solution

The fourth proportional to 81,590,670.03, 122,309,062.95 and 40,611,365.22 is: 60,878,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,590,670.03 : 122,309,062.95 = 40,611,365.22 : x
  2. Step 2: Convert to fraction form
    81,590,670.03/122,309,062.95 = 40,611,365.22/x
  3. Step 3: Cross multiply
    81,590,670.03x = 122,309,062.95 × 40,611,365.22
  4. Step 4: Simplify right side
    81,590,670.03x = 4,967,138,025,178,421
  5. Step 5: Solve for x
    x = 4,967,138,025,178,421/81,590,670.03
  6. Step 6: Final answer
    x = 60,878,750.27

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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.