Home / 38,888,889.40-58,296,009.30-30,248,198.20

Finding the Fourth Proportional to 38,888,889.40, 58,296,009.30 and 30,248,198.20

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Solution

The fourth proportional to 38,888,889.40, 58,296,009.30 and 30,248,198.20 is: 45,343,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888,889.40 : 58,296,009.30 = 30,248,198.20 : x
  2. Step 2: Convert to fraction form
    38,888,889.40/58,296,009.30 = 30,248,198.20/x
  3. Step 3: Cross multiply
    38,888,889.40x = 58,296,009.30 × 30,248,198.20
  4. Step 4: Simplify right side
    38,888,889.40x = 1,763,349,243,575,443.25
  5. Step 5: Solve for x
    x = 1,763,349,243,575,443.25/38,888,889.40
  6. Step 6: Final answer
    x = 45,343,265.67

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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.