Home / 78,385,626.84-108,166,037.13-43,576,197.60

Finding the Fourth Proportional to 78,385,626.84, 108,166,037.13 and 43,576,197.60

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Solution

The fourth proportional to 78,385,626.84, 108,166,037.13 and 43,576,197.60 is: 60,131,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,385,626.84 : 108,166,037.13 = 43,576,197.60 : x
  2. Step 2: Convert to fraction form
    78,385,626.84/108,166,037.13 = 43,576,197.60/x
  3. Step 3: Cross multiply
    78,385,626.84x = 108,166,037.13 × 43,576,197.60
  4. Step 4: Simplify right side
    78,385,626.84x = 4,713,464,607,585,817
  5. Step 5: Solve for x
    x = 4,713,464,607,585,817/78,385,626.84
  6. Step 6: Final answer
    x = 60,131,746.06

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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.