Home / 54,708,977.70-75,490,993.68-31,190,548.32

Finding the Fourth Proportional to 54,708,977.70, 75,490,993.68 and 31,190,548.32

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Solution

The fourth proportional to 54,708,977.70, 75,490,993.68 and 31,190,548.32 is: 43,038,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,708,977.70 : 75,490,993.68 = 31,190,548.32 : x
  2. Step 2: Convert to fraction form
    54,708,977.70/75,490,993.68 = 31,190,548.32/x
  3. Step 3: Cross multiply
    54,708,977.70x = 75,490,993.68 × 31,190,548.32
  4. Step 4: Simplify right side
    54,708,977.70x = 2,354,605,486,100,855
  5. Step 5: Solve for x
    x = 2,354,605,486,100,855/54,708,977.70
  6. Step 6: Final answer
    x = 43,038,740.35

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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.