Home / 123,803,999.70-185,705,999.55-111,049,415.70

Finding the Fourth Proportional to 123,803,999.70, 185,705,999.55 and 111,049,415.70

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Solution

The fourth proportional to 123,803,999.70, 185,705,999.55 and 111,049,415.70 is: 166,574,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,803,999.70 : 185,705,999.55 = 111,049,415.70 : x
  2. Step 2: Convert to fraction form
    123,803,999.70/185,705,999.55 = 111,049,415.70/x
  3. Step 3: Cross multiply
    123,803,999.70x = 185,705,999.55 × 111,049,415.70
  4. Step 4: Simplify right side
    123,803,999.70x = 20,622,542,742,011,964
  5. Step 5: Solve for x
    x = 20,622,542,742,011,964/123,803,999.70
  6. Step 6: Final answer
    x = 166,574,123.55

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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.