Home / 146,572,246.10-220,075,319.55-82,005,007.70

Finding the Fourth Proportional to 146,572,246.10, 220,075,319.55 and 82,005,007.70

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Solution

The fourth proportional to 146,572,246.10, 220,075,319.55 and 82,005,007.70 is: 123,128,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,572,246.10 : 220,075,319.55 = 82,005,007.70 : x
  2. Step 2: Convert to fraction form
    146,572,246.10/220,075,319.55 = 82,005,007.70/x
  3. Step 3: Cross multiply
    146,572,246.10x = 220,075,319.55 × 82,005,007.70
  4. Step 4: Simplify right side
    146,572,246.10x = 18,047,278,274,277,712
  5. Step 5: Solve for x
    x = 18,047,278,274,277,712/146,572,246.10
  6. Step 6: Final answer
    x = 123,128,892.10

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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.