Home / 151,903,381.56-209,626,477.14-82,289,050.20

Finding the Fourth Proportional to 151,903,381.56, 209,626,477.14 and 82,289,050.20

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Solution

The fourth proportional to 151,903,381.56, 209,626,477.14 and 82,289,050.20 is: 113,558,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,903,381.56 : 209,626,477.14 = 82,289,050.20 : x
  2. Step 2: Convert to fraction form
    151,903,381.56/209,626,477.14 = 82,289,050.20/x
  3. Step 3: Cross multiply
    151,903,381.56x = 209,626,477.14 × 82,289,050.20
  4. Step 4: Simplify right side
    151,903,381.56x = 17,249,963,700,622,612
  5. Step 5: Solve for x
    x = 17,249,963,700,622,612/151,903,381.56
  6. Step 6: Final answer
    x = 113,558,786.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.