Home / 146,572,210.10-220,075,265.55-82,004,971.70

Finding the Fourth Proportional to 146,572,210.10, 220,075,265.55 and 82,004,971.70

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Solution

The fourth proportional to 146,572,210.10, 220,075,265.55 and 82,004,971.70 is: 123,128,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,572,210.10 : 220,075,265.55 = 82,004,971.70 : x
  2. Step 2: Convert to fraction form
    146,572,210.10/220,075,265.55 = 82,004,971.70/x
  3. Step 3: Cross multiply
    146,572,210.10x = 220,075,265.55 × 82,004,971.70
  4. Step 4: Simplify right side
    146,572,210.10x = 18,047,265,923,297,736
  5. Step 5: Solve for x
    x = 18,047,265,923,297,736/146,572,210.10
  6. Step 6: Final answer
    x = 123,128,838.07

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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.