Home / 84,014,976.40-126,022,464.60-73,937,280.40

Finding the Fourth Proportional to 84,014,976.40, 126,022,464.60 and 73,937,280.40

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Solution

The fourth proportional to 84,014,976.40, 126,022,464.60 and 73,937,280.40 is: 110,905,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014,976.40 : 126,022,464.60 = 73,937,280.40 : x
  2. Step 2: Convert to fraction form
    84,014,976.40/126,022,464.60 = 73,937,280.40/x
  3. Step 3: Cross multiply
    84,014,976.40x = 126,022,464.60 × 73,937,280.40
  4. Step 4: Simplify right side
    84,014,976.40x = 9,317,758,301,829,274
  5. Step 5: Solve for x
    x = 9,317,758,301,829,274/84,014,976.40
  6. Step 6: Final answer
    x = 110,905,920.60

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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.