Home / 54,407,907.18-75,077,194.41-30,878,960.76

Finding the Fourth Proportional to 54,407,907.18, 75,077,194.41 and 30,878,960.76

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Solution

The fourth proportional to 54,407,907.18, 75,077,194.41 and 30,878,960.76 is: 42,609,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407,907.18 : 75,077,194.41 = 30,878,960.76 : x
  2. Step 2: Convert to fraction form
    54,407,907.18/75,077,194.41 = 30,878,960.76/x
  3. Step 3: Cross multiply
    54,407,907.18x = 75,077,194.41 × 30,878,960.76
  4. Step 4: Simplify right side
    54,407,907.18x = 2,318,305,740,157,281.50
  5. Step 5: Solve for x
    x = 2,318,305,740,157,281.50/54,407,907.18
  6. Step 6: Final answer
    x = 42,609,720.91

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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.