Home / 293,039,477.20-440,063,100.60-207,379,061.20

Finding the Fourth Proportional to 293,039,477.20, 440,063,100.60 and 207,379,061.20

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Solution

The fourth proportional to 293,039,477.20, 440,063,100.60 and 207,379,061.20 is: 311,425,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,039,477.20 : 440,063,100.60 = 207,379,061.20 : x
  2. Step 2: Convert to fraction form
    293,039,477.20/440,063,100.60 = 207,379,061.20/x
  3. Step 3: Cross multiply
    293,039,477.20x = 440,063,100.60 × 207,379,061.20
  4. Step 4: Simplify right side
    293,039,477.20x = 91,259,872,671,189,152
  5. Step 5: Solve for x
    x = 91,259,872,671,189,152/293,039,477.20
  6. Step 6: Final answer
    x = 311,425,182.52

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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.