Home / 119,668,880.56-179,135,157.76-78,080,206.31

Finding the Fourth Proportional to 119,668,880.56, 179,135,157.76 and 78,080,206.31

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Solution

The fourth proportional to 119,668,880.56, 179,135,157.76 and 78,080,206.31 is: 116,880,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,668,880.56 : 179,135,157.76 = 78,080,206.31 : x
  2. Step 2: Convert to fraction form
    119,668,880.56/179,135,157.76 = 78,080,206.31/x
  3. Step 3: Cross multiply
    119,668,880.56x = 179,135,157.76 × 78,080,206.31
  4. Step 4: Simplify right side
    119,668,880.56x = 13,986,910,075,863,534
  5. Step 5: Solve for x
    x = 13,986,910,075,863,534/119,668,880.56
  6. Step 6: Final answer
    x = 116,880,094.56

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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.