Home / 77,548,533.84-107,017,628.04-42,741,313.36

Finding the Fourth Proportional to 77,548,533.84, 107,017,628.04 and 42,741,313.36

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Solution

The fourth proportional to 77,548,533.84, 107,017,628.04 and 42,741,313.36 is: 58,983,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,548,533.84 : 107,017,628.04 = 42,741,313.36 : x
  2. Step 2: Convert to fraction form
    77,548,533.84/107,017,628.04 = 42,741,313.36/x
  3. Step 3: Cross multiply
    77,548,533.84x = 107,017,628.04 × 42,741,313.36
  4. Step 4: Simplify right side
    77,548,533.84x = 4,574,073,975,101,563
  5. Step 5: Solve for x
    x = 4,574,073,975,101,563/77,548,533.84
  6. Step 6: Final answer
    x = 58,983,371.43

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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.