Home / 113,871,667.40-170,807,501.10-108,297,830.60

Finding the Fourth Proportional to 113,871,667.40, 170,807,501.10 and 108,297,830.60

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Solution

The fourth proportional to 113,871,667.40, 170,807,501.10 and 108,297,830.60 is: 162,446,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,871,667.40 : 170,807,501.10 = 108,297,830.60 : x
  2. Step 2: Convert to fraction form
    113,871,667.40/170,807,501.10 = 108,297,830.60/x
  3. Step 3: Cross multiply
    113,871,667.40x = 170,807,501.10 × 108,297,830.60
  4. Step 4: Simplify right side
    113,871,667.40x = 18,498,081,819,337,112
  5. Step 5: Solve for x
    x = 18,498,081,819,337,112/113,871,667.40
  6. Step 6: Final answer
    x = 162,446,745.90

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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.