Home / 54,008,345.88-74,531,982.03-30,804,647.67

Finding the Fourth Proportional to 54,008,345.88, 74,531,982.03 and 30,804,647.67

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Solution

The fourth proportional to 54,008,345.88, 74,531,982.03 and 30,804,647.67 is: 42,510,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008,345.88 : 74,531,982.03 = 30,804,647.67 : x
  2. Step 2: Convert to fraction form
    54,008,345.88/74,531,982.03 = 30,804,647.67/x
  3. Step 3: Cross multiply
    54,008,345.88x = 74,531,982.03 × 30,804,647.67
  4. Step 4: Simplify right side
    54,008,345.88x = 2,295,931,446,580,921.50
  5. Step 5: Solve for x
    x = 2,295,931,446,580,921.50/54,008,345.88
  6. Step 6: Final answer
    x = 42,510,678.84

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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.