Home / 73,139,981.22-109,563,795.47-43,977,851.73

Finding the Fourth Proportional to 73,139,981.22, 109,563,795.47 and 43,977,851.73

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Solution

The fourth proportional to 73,139,981.22, 109,563,795.47 and 43,977,851.73 is: 65,878,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139,981.22 : 109,563,795.47 = 43,977,851.73 : x
  2. Step 2: Convert to fraction form
    73,139,981.22/109,563,795.47 = 43,977,851.73/x
  3. Step 3: Cross multiply
    73,139,981.22x = 109,563,795.47 × 43,977,851.73
  4. Step 4: Simplify right side
    73,139,981.22x = 4,818,380,351,935,816
  5. Step 5: Solve for x
    x = 4,818,380,351,935,816/73,139,981.22
  6. Step 6: Final answer
    x = 65,878,884.18

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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.