Home / 66,605,694.93-99,922,803.26-19,922,847.21

Finding the Fourth Proportional to 66,605,694.93, 99,922,803.26 and 19,922,847.21

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Solution

The fourth proportional to 66,605,694.93, 99,922,803.26 and 19,922,847.21 is: 29,888,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,605,694.93 : 99,922,803.26 = 19,922,847.21 : x
  2. Step 2: Convert to fraction form
    66,605,694.93/99,922,803.26 = 19,922,847.21/x
  3. Step 3: Cross multiply
    66,605,694.93x = 99,922,803.26 × 19,922,847.21
  4. Step 4: Simplify right side
    66,605,694.93x = 1,990,746,742,044,255.75
  5. Step 5: Solve for x
    x = 1,990,746,742,044,255.75/66,605,694.93
  6. Step 6: Final answer
    x = 29,888,536.47

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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.