Home / 171,356,144.84-257,071,091.17-53,178,571.70

Finding the Fourth Proportional to 171,356,144.84, 257,071,091.17 and 53,178,571.70

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Solution

The fourth proportional to 171,356,144.84, 257,071,091.17 and 53,178,571.70 is: 79,779,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,356,144.84 : 257,071,091.17 = 53,178,571.70 : x
  2. Step 2: Convert to fraction form
    171,356,144.84/257,071,091.17 = 53,178,571.70/x
  3. Step 3: Cross multiply
    171,356,144.84x = 257,071,091.17 × 53,178,571.70
  4. Step 4: Simplify right side
    171,356,144.84x = 13,670,673,452,362,780
  5. Step 5: Solve for x
    x = 13,670,673,452,362,780/171,356,144.84
  6. Step 6: Final answer
    x = 79,779,300.97

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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.