Home / 129,085,376.37-193,668,996.74-46,085,348.22

Finding the Fourth Proportional to 129,085,376.37, 193,668,996.74 and 46,085,348.22

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Solution

The fourth proportional to 129,085,376.37, 193,668,996.74 and 46,085,348.22 is: 69,142,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,085,376.37 : 193,668,996.74 = 46,085,348.22 : x
  2. Step 2: Convert to fraction form
    129,085,376.37/193,668,996.74 = 46,085,348.22/x
  3. Step 3: Cross multiply
    129,085,376.37x = 193,668,996.74 × 46,085,348.22
  4. Step 4: Simplify right side
    129,085,376.37x = 8,925,303,153,950,518
  5. Step 5: Solve for x
    x = 8,925,303,153,950,518/129,085,376.37
  6. Step 6: Final answer
    x = 69,142,635.71

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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.