Home / 356,874,597.81-535,190,665.33-123,650,878.44

Finding the Fourth Proportional to 356,874,597.81, 535,190,665.33 and 123,650,878.44

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Solution

The fourth proportional to 356,874,597.81, 535,190,665.33 and 123,650,878.44 is: 185,434,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,874,597.81 : 535,190,665.33 = 123,650,878.44 : x
  2. Step 2: Convert to fraction form
    356,874,597.81/535,190,665.33 = 123,650,878.44/x
  3. Step 3: Cross multiply
    356,874,597.81x = 535,190,665.33 × 123,650,878.44
  4. Step 4: Simplify right side
    356,874,597.81x = 66,176,795,900,942,552
  5. Step 5: Solve for x
    x = 66,176,795,900,942,552/356,874,597.81
  6. Step 6: Final answer
    x = 185,434,313.08

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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.