Home / 381,637,804.03-572,489,678.94-105,289,018.55

Finding the Fourth Proportional to 381,637,804.03, 572,489,678.94 and 105,289,018.55

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Solution

The fourth proportional to 381,637,804.03, 572,489,678.94 and 105,289,018.55 is: 157,942,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,637,804.03 : 572,489,678.94 = 105,289,018.55 : x
  2. Step 2: Convert to fraction form
    381,637,804.03/572,489,678.94 = 105,289,018.55/x
  3. Step 3: Cross multiply
    381,637,804.03x = 572,489,678.94 × 105,289,018.55
  4. Step 4: Simplify right side
    381,637,804.03x = 60,276,876,426,392,368
  5. Step 5: Solve for x
    x = 60,276,876,426,392,368/381,637,804.03
  6. Step 6: Final answer
    x = 157,942,624.63

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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.