Home / 78,890,904.45-108,867,357.86-44,083,880.91

Finding the Fourth Proportional to 78,890,904.45, 108,867,357.86 and 44,083,880.91

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Solution

The fourth proportional to 78,890,904.45, 108,867,357.86 and 44,083,880.91 is: 60,834,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,890,904.45 : 108,867,357.86 = 44,083,880.91 : x
  2. Step 2: Convert to fraction form
    78,890,904.45/108,867,357.86 = 44,083,880.91/x
  3. Step 3: Cross multiply
    78,890,904.45x = 108,867,357.86 × 44,083,880.91
  4. Step 4: Simplify right side
    78,890,904.45x = 4,799,295,638,666,173
  5. Step 5: Solve for x
    x = 4,799,295,638,666,173/78,890,904.45
  6. Step 6: Final answer
    x = 60,834,587.61

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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.