Home / 72,669,698,981.55-109,004,548,472.33-71,037,112,229.55

Finding the Fourth Proportional to 72,669,698,981.55, 109,004,548,472.33 and 71,037,112,229.55

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Solution

The fourth proportional to 72,669,698,981.55, 109,004,548,472.33 and 71,037,112,229.55 is: 106,555,668,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,669,698,981.55 : 109,004,548,472.33 = 71,037,112,229.55 : x
  2. Step 2: Convert to fraction form
    72,669,698,981.55/109,004,548,472.33 = 71,037,112,229.55/x
  3. Step 3: Cross multiply
    72,669,698,981.55x = 109,004,548,472.33 × 71,037,112,229.55
  4. Step 4: Simplify right side
    72,669,698,981.55x = 7,743,368,343,360,329,744,384
  5. Step 5: Solve for x
    x = 7,743,368,343,360,329,744,384/72,669,698,981.55
  6. Step 6: Final answer
    x = 106,555,668,344.33

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Double scale
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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.