Home / 82,046,980.10-123,089,132.55-47,950,775.30

Finding the Fourth Proportional to 82,046,980.10, 123,089,132.55 and 47,950,775.30

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Solution

The fourth proportional to 82,046,980.10, 123,089,132.55 and 47,950,775.30 is: 71,937,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,980.10 : 123,089,132.55 = 47,950,775.30 : x
  2. Step 2: Convert to fraction form
    82,046,980.10/123,089,132.55 = 47,950,775.30/x
  3. Step 3: Cross multiply
    82,046,980.10x = 123,089,132.55 × 47,950,775.30
  4. Step 4: Simplify right side
    82,046,980.10x = 5,902,219,336,776,966
  5. Step 5: Solve for x
    x = 5,902,219,336,776,966/82,046,980.10
  6. Step 6: Final answer
    x = 71,937,069.83

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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.