Home / 66,430,286.55-99,645,429.83-47,059,262.10

Finding the Fourth Proportional to 66,430,286.55, 99,645,429.83 and 47,059,262.10

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Solution

The fourth proportional to 66,430,286.55, 99,645,429.83 and 47,059,262.10 is: 70,588,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,286.55 : 99,645,429.83 = 47,059,262.10 : x
  2. Step 2: Convert to fraction form
    66,430,286.55/99,645,429.83 = 47,059,262.10/x
  3. Step 3: Cross multiply
    66,430,286.55x = 99,645,429.83 × 47,059,262.10
  4. Step 4: Simplify right side
    66,430,286.55x = 4,689,240,399,201,832
  5. Step 5: Solve for x
    x = 4,689,240,399,201,832/66,430,286.55
  6. Step 6: Final answer
    x = 70,588,893.15

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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.