Home / 81,577,309.77-122,370,030.72-23,293,632.20

Finding the Fourth Proportional to 81,577,309.77, 122,370,030.72 and 23,293,632.20

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Solution

The fourth proportional to 81,577,309.77, 122,370,030.72 and 23,293,632.20 is: 34,941,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,577,309.77 : 122,370,030.72 = 23,293,632.20 : x
  2. Step 2: Convert to fraction form
    81,577,309.77/122,370,030.72 = 23,293,632.20/x
  3. Step 3: Cross multiply
    81,577,309.77x = 122,370,030.72 × 23,293,632.20
  4. Step 4: Simplify right side
    81,577,309.77x = 2,850,442,487,282,531
  5. Step 5: Solve for x
    x = 2,850,442,487,282,531/81,577,309.77
  6. Step 6: Final answer
    x = 34,941,609.32

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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.