Home / 208,029,846.60-312,082,094.70-86,873,545.80

Finding the Fourth Proportional to 208,029,846.60, 312,082,094.70 and 86,873,545.80

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Solution

The fourth proportional to 208,029,846.60, 312,082,094.70 and 86,873,545.80 is: 130,325,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,029,846.60 : 312,082,094.70 = 86,873,545.80 : x
  2. Step 2: Convert to fraction form
    208,029,846.60/312,082,094.70 = 86,873,545.80/x
  3. Step 3: Cross multiply
    208,029,846.60x = 312,082,094.70 × 86,873,545.80
  4. Step 4: Simplify right side
    208,029,846.60x = 27,111,678,147,280,384
  5. Step 5: Solve for x
    x = 27,111,678,147,280,384/208,029,846.60
  6. Step 6: Final answer
    x = 130,325,905.59

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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.