Home / 57,077,635.17-78,767,352.62-30,972,153

Finding the Fourth Proportional to 57,077,635.17, 78,767,352.62 and 30,972,153

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Solution

The fourth proportional to 57,077,635.17, 78,767,352.62 and 30,972,153 is: 42,741,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077,635.17 : 78,767,352.62 = 30,972,153 : x
  2. Step 2: Convert to fraction form
    57,077,635.17/78,767,352.62 = 30,972,153/x
  3. Step 3: Cross multiply
    57,077,635.17x = 78,767,352.62 × 30,972,153
  4. Step 4: Simplify right side
    57,077,635.17x = 2,439,594,496,751,591
  5. Step 5: Solve for x
    x = 2,439,594,496,751,591/57,077,635.17
  6. Step 6: Final answer
    x = 42,741,688.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.