Home / 210,381,928.98-315,572,894.73-57,027,984.81

Finding the Fourth Proportional to 210,381,928.98, 315,572,894.73 and 57,027,984.81

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Solution

The fourth proportional to 210,381,928.98, 315,572,894.73 and 57,027,984.81 is: 85,541,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,381,928.98 : 315,572,894.73 = 57,027,984.81 : x
  2. Step 2: Convert to fraction form
    210,381,928.98/315,572,894.73 = 57,027,984.81/x
  3. Step 3: Cross multiply
    210,381,928.98x = 315,572,894.73 × 57,027,984.81
  4. Step 4: Simplify right side
    210,381,928.98x = 17,996,486,247,110,170
  5. Step 5: Solve for x
    x = 17,996,486,247,110,170/210,381,928.98
  6. Step 6: Final answer
    x = 85,541,977.56

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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.