Home / 239,379,765.33-359,173,340.96-128,586,157.01

Finding the Fourth Proportional to 239,379,765.33, 359,173,340.96 and 128,586,157.01

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Solution

The fourth proportional to 239,379,765.33, 359,173,340.96 and 128,586,157.01 is: 192,934,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,379,765.33 : 359,173,340.96 = 128,586,157.01 : x
  2. Step 2: Convert to fraction form
    239,379,765.33/359,173,340.96 = 128,586,157.01/x
  3. Step 3: Cross multiply
    239,379,765.33x = 359,173,340.96 × 128,586,157.01
  4. Step 4: Simplify right side
    239,379,765.33x = 46,184,719,612,050,024
  5. Step 5: Solve for x
    x = 46,184,719,612,050,024/239,379,765.33
  6. Step 6: Final answer
    x = 192,934,935.62

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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.