Home / 143,769,491.70-215,654,237.55-118,260,323.70

Finding the Fourth Proportional to 143,769,491.70, 215,654,237.55 and 118,260,323.70

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Solution

The fourth proportional to 143,769,491.70, 215,654,237.55 and 118,260,323.70 is: 177,390,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,769,491.70 : 215,654,237.55 = 118,260,323.70 : x
  2. Step 2: Convert to fraction form
    143,769,491.70/215,654,237.55 = 118,260,323.70/x
  3. Step 3: Cross multiply
    143,769,491.70x = 215,654,237.55 × 118,260,323.70
  4. Step 4: Simplify right side
    143,769,491.70x = 25,503,339,939,939,696
  5. Step 5: Solve for x
    x = 25,503,339,939,939,696/143,769,491.70
  6. Step 6: Final answer
    x = 177,390,485.55

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1.5x scale

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.