Home / 79,279,148.24-118,880,275.80-46,500,428.24

Finding the Fourth Proportional to 79,279,148.24, 118,880,275.80 and 46,500,428.24

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Solution

The fourth proportional to 79,279,148.24, 118,880,275.80 and 46,500,428.24 is: 69,728,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,279,148.24 : 118,880,275.80 = 46,500,428.24 : x
  2. Step 2: Convert to fraction form
    79,279,148.24/118,880,275.80 = 46,500,428.24/x
  3. Step 3: Cross multiply
    79,279,148.24x = 118,880,275.80 × 46,500,428.24
  4. Step 4: Simplify right side
    79,279,148.24x = 5,527,983,733,394,907
  5. Step 5: Solve for x
    x = 5,527,983,733,394,907/79,279,148.24
  6. Step 6: Final answer
    x = 69,728,091.89

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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.