Home / 66,430,255.80-99,645,383.70-47,059,231.35

Finding the Fourth Proportional to 66,430,255.80, 99,645,383.70 and 47,059,231.35

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Solution

The fourth proportional to 66,430,255.80, 99,645,383.70 and 47,059,231.35 is: 70,588,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,255.80 : 99,645,383.70 = 47,059,231.35 : x
  2. Step 2: Convert to fraction form
    66,430,255.80/99,645,383.70 = 47,059,231.35/x
  3. Step 3: Cross multiply
    66,430,255.80x = 99,645,383.70 × 47,059,231.35
  4. Step 4: Simplify right side
    66,430,255.80x = 4,689,235,164,497,819
  5. Step 5: Solve for x
    x = 4,689,235,164,497,819/66,430,255.80
  6. Step 6: Final answer
    x = 70,588,847.03

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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.