Home / 54,219,859.40-74,822,639.85-30,697,789.19

Finding the Fourth Proportional to 54,219,859.40, 74,822,639.85 and 30,697,789.19

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Solution

The fourth proportional to 54,219,859.40, 74,822,639.85 and 30,697,789.19 is: 42,362,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219,859.40 : 74,822,639.85 = 30,697,789.19 : x
  2. Step 2: Convert to fraction form
    54,219,859.40/74,822,639.85 = 30,697,789.19/x
  3. Step 3: Cross multiply
    54,219,859.40x = 74,822,639.85 × 30,697,789.19
  4. Step 4: Simplify right side
    54,219,859.40x = 2,296,889,624,754,593
  5. Step 5: Solve for x
    x = 2,296,889,624,754,593/54,219,859.40
  6. Step 6: Final answer
    x = 42,362,515.33

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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.