Home / 142,117,451.65-213,196,512.74-43,757,480.59

Finding the Fourth Proportional to 142,117,451.65, 213,196,512.74 and 43,757,480.59

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Solution

The fourth proportional to 142,117,451.65, 213,196,512.74 and 43,757,480.59 is: 65,642,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,451.65 : 213,196,512.74 = 43,757,480.59 : x
  2. Step 2: Convert to fraction form
    142,117,451.65/213,196,512.74 = 43,757,480.59/x
  3. Step 3: Cross multiply
    142,117,451.65x = 213,196,512.74 × 43,757,480.59
  4. Step 4: Simplify right side
    142,117,451.65x = 9,328,942,268,076,238
  5. Step 5: Solve for x
    x = 9,328,942,268,076,238/142,117,451.65
  6. Step 6: Final answer
    x = 65,642,482.04

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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.