Home / 76,647,418.31-105,774,552.74-43,606,956.32

Finding the Fourth Proportional to 76,647,418.31, 105,774,552.74 and 43,606,956.32

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Solution

The fourth proportional to 76,647,418.31, 105,774,552.74 and 43,606,956.32 is: 60,178,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,647,418.31 : 105,774,552.74 = 43,606,956.32 : x
  2. Step 2: Convert to fraction form
    76,647,418.31/105,774,552.74 = 43,606,956.32/x
  3. Step 3: Cross multiply
    76,647,418.31x = 105,774,552.74 × 43,606,956.32
  4. Step 4: Simplify right side
    76,647,418.31x = 4,612,506,301,426,991
  5. Step 5: Solve for x
    x = 4,612,506,301,426,991/76,647,418.31
  6. Step 6: Final answer
    x = 60,178,234.35

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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.