Home / 85,161,855.85-127,742,783.81-26,875,441.24

Finding the Fourth Proportional to 85,161,855.85, 127,742,783.81 and 26,875,441.24

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Solution

The fourth proportional to 85,161,855.85, 127,742,783.81 and 26,875,441.24 is: 40,313,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,161,855.85 : 127,742,783.81 = 26,875,441.24 : x
  2. Step 2: Convert to fraction form
    85,161,855.85/127,742,783.81 = 26,875,441.24/x
  3. Step 3: Cross multiply
    85,161,855.85x = 127,742,783.81 × 26,875,441.24
  4. Step 4: Simplify right side
    85,161,855.85x = 3,433,143,679,665,944.50
  5. Step 5: Solve for x
    x = 3,433,143,679,665,944.50/85,161,855.85
  6. Step 6: Final answer
    x = 40,313,161.87

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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.