Home / 67,104,694.35-100,656,030.03-30,190,515.45

Finding the Fourth Proportional to 67,104,694.35, 100,656,030.03 and 30,190,515.45

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Solution

The fourth proportional to 67,104,694.35, 100,656,030.03 and 30,190,515.45 is: 45,285,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,104,694.35 : 100,656,030.03 = 30,190,515.45 : x
  2. Step 2: Convert to fraction form
    67,104,694.35/100,656,030.03 = 30,190,515.45/x
  3. Step 3: Cross multiply
    67,104,694.35x = 100,656,030.03 × 30,190,515.45
  4. Step 4: Simplify right side
    67,104,694.35x = 3,038,857,429,756,379
  5. Step 5: Solve for x
    x = 3,038,857,429,756,379/67,104,694.35
  6. Step 6: Final answer
    x = 45,285,318.10

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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.