Home / 66,531,852.83-91,903,821.61-50,135,913.83

Finding the Fourth Proportional to 66,531,852.83, 91,903,821.61 and 50,135,913.83

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Solution

The fourth proportional to 66,531,852.83, 91,903,821.61 and 50,135,913.83 is: 69,255,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,531,852.83 : 91,903,821.61 = 50,135,913.83 : x
  2. Step 2: Convert to fraction form
    66,531,852.83/91,903,821.61 = 50,135,913.83/x
  3. Step 3: Cross multiply
    66,531,852.83x = 91,903,821.61 × 50,135,913.83
  4. Step 4: Simplify right side
    66,531,852.83x = 4,607,682,080,176,454
  5. Step 5: Solve for x
    x = 4,607,682,080,176,454/66,531,852.83
  6. Step 6: Final answer
    x = 69,255,279.76

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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.