Home / 78,964,425.45-118,457,417.04-32,895,520.84

Finding the Fourth Proportional to 78,964,425.45, 118,457,417.04 and 32,895,520.84

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Solution

The fourth proportional to 78,964,425.45, 118,457,417.04 and 32,895,520.84 is: 49,347,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,964,425.45 : 118,457,417.04 = 32,895,520.84 : x
  2. Step 2: Convert to fraction form
    78,964,425.45/118,457,417.04 = 32,895,520.84/x
  3. Step 3: Cross multiply
    78,964,425.45x = 118,457,417.04 × 32,895,520.84
  4. Step 4: Simplify right side
    78,964,425.45x = 3,896,718,430,916,604.50
  5. Step 5: Solve for x
    x = 3,896,718,430,916,604.50/78,964,425.45
  6. Step 6: Final answer
    x = 49,347,771.59

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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.