Home / 66,407,700.07-99,407,245.89-43,328,940.49

Finding the Fourth Proportional to 66,407,700.07, 99,407,245.89 and 43,328,940.49

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Solution

The fourth proportional to 66,407,700.07, 99,407,245.89 and 43,328,940.49 is: 64,860,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,407,700.07 : 99,407,245.89 = 43,328,940.49 : x
  2. Step 2: Convert to fraction form
    66,407,700.07/99,407,245.89 = 43,328,940.49/x
  3. Step 3: Cross multiply
    66,407,700.07x = 99,407,245.89 × 43,328,940.49
  4. Step 4: Simplify right side
    66,407,700.07x = 4,307,210,640,945,571
  5. Step 5: Solve for x
    x = 4,307,210,640,945,571/66,407,700.07
  6. Step 6: Final answer
    x = 64,860,108.64

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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.