Home / 76,973,311.40-106,138,045.86-49,051,790.60

Finding the Fourth Proportional to 76,973,311.40, 106,138,045.86 and 49,051,790.60

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Solution

The fourth proportional to 76,973,311.40, 106,138,045.86 and 49,051,790.60 is: 67,637,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,973,311.40 : 106,138,045.86 = 49,051,790.60 : x
  2. Step 2: Convert to fraction form
    76,973,311.40/106,138,045.86 = 49,051,790.60/x
  3. Step 3: Cross multiply
    76,973,311.40x = 106,138,045.86 × 49,051,790.60
  4. Step 4: Simplify right side
    76,973,311.40x = 5,206,261,200,217,917
  5. Step 5: Solve for x
    x = 5,206,261,200,217,917/76,973,311.40
  6. Step 6: Final answer
    x = 67,637,225.23

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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.