Home / 78,581,432.43-108,445,643.37-43,774,113.24

Finding the Fourth Proportional to 78,581,432.43, 108,445,643.37 and 43,774,113.24

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Solution

The fourth proportional to 78,581,432.43, 108,445,643.37 and 43,774,113.24 is: 60,410,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,581,432.43 : 108,445,643.37 = 43,774,113.24 : x
  2. Step 2: Convert to fraction form
    78,581,432.43/108,445,643.37 = 43,774,113.24/x
  3. Step 3: Cross multiply
    78,581,432.43x = 108,445,643.37 × 43,774,113.24
  4. Step 4: Simplify right side
    78,581,432.43x = 4,747,111,873,263,036
  5. Step 5: Solve for x
    x = 4,747,111,873,263,036/78,581,432.43
  6. Step 6: Final answer
    x = 60,410,095.95

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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.