Home / 255,089,307.70-382,633,961.55-82,583,559.10

Finding the Fourth Proportional to 255,089,307.70, 382,633,961.55 and 82,583,559.10

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Solution

The fourth proportional to 255,089,307.70, 382,633,961.55 and 82,583,559.10 is: 123,875,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,089,307.70 : 382,633,961.55 = 82,583,559.10 : x
  2. Step 2: Convert to fraction form
    255,089,307.70/382,633,961.55 = 82,583,559.10/x
  3. Step 3: Cross multiply
    255,089,307.70x = 382,633,961.55 × 82,583,559.10
  4. Step 4: Simplify right side
    255,089,307.70x = 31,599,274,377,331,552
  5. Step 5: Solve for x
    x = 31,599,274,377,331,552/255,089,307.70
  6. Step 6: Final answer
    x = 123,875,338.65

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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.