Home / 307,345,333.22-461,018,078.30-86,049,275.73

Finding the Fourth Proportional to 307,345,333.22, 461,018,078.30 and 86,049,275.73

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Solution

The fourth proportional to 307,345,333.22, 461,018,078.30 and 86,049,275.73 is: 129,073,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,345,333.22 : 461,018,078.30 = 86,049,275.73 : x
  2. Step 2: Convert to fraction form
    307,345,333.22/461,018,078.30 = 86,049,275.73/x
  3. Step 3: Cross multiply
    307,345,333.22x = 461,018,078.30 × 86,049,275.73
  4. Step 4: Simplify right side
    307,345,333.22x = 39,670,271,736,151,432
  5. Step 5: Solve for x
    x = 39,670,271,736,151,432/307,345,333.22
  6. Step 6: Final answer
    x = 129,073,935.56

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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.