Home / 93,286,385.67-128,739,105.47-51,473,163.09

Finding the Fourth Proportional to 93,286,385.67, 128,739,105.47 and 51,473,163.09

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Solution

The fourth proportional to 93,286,385.67, 128,739,105.47 and 51,473,163.09 is: 71,035,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,286,385.67 : 128,739,105.47 = 51,473,163.09 : x
  2. Step 2: Convert to fraction form
    93,286,385.67/128,739,105.47 = 51,473,163.09/x
  3. Step 3: Cross multiply
    93,286,385.67x = 128,739,105.47 × 51,473,163.09
  4. Step 4: Simplify right side
    93,286,385.67x = 6,626,608,971,623,667
  5. Step 5: Solve for x
    x = 6,626,608,971,623,667/93,286,385.67
  6. Step 6: Final answer
    x = 71,035,113.26

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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.