Home / 76,440,210.42-105,481,010.58-42,947,067.24

Finding the Fourth Proportional to 76,440,210.42, 105,481,010.58 and 42,947,067.24

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Solution

The fourth proportional to 76,440,210.42, 105,481,010.58 and 42,947,067.24 is: 59,263,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,440,210.42 : 105,481,010.58 = 42,947,067.24 : x
  2. Step 2: Convert to fraction form
    76,440,210.42/105,481,010.58 = 42,947,067.24/x
  3. Step 3: Cross multiply
    76,440,210.42x = 105,481,010.58 × 42,947,067.24
  4. Step 4: Simplify right side
    76,440,210.42x = 4,530,100,053,922,412
  5. Step 5: Solve for x
    x = 4,530,100,053,922,412/76,440,210.42
  6. Step 6: Final answer
    x = 59,263,312.19

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1.5x scale

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.