Home / 239,379,766.83-359,173,343.21-128,586,158.51

Finding the Fourth Proportional to 239,379,766.83, 359,173,343.21 and 128,586,158.51

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Solution

The fourth proportional to 239,379,766.83, 359,173,343.21 and 128,586,158.51 is: 192,934,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,379,766.83 : 359,173,343.21 = 128,586,158.51 : x
  2. Step 2: Convert to fraction form
    239,379,766.83/359,173,343.21 = 128,586,158.51/x
  3. Step 3: Cross multiply
    239,379,766.83x = 359,173,343.21 × 128,586,158.51
  4. Step 4: Simplify right side
    239,379,766.83x = 46,184,720,440,128,888
  5. Step 5: Solve for x
    x = 46,184,720,440,128,888/239,379,766.83
  6. Step 6: Final answer
    x = 192,934,937.87

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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.