Home / 77,027,576.40-106,308,955.44-47,668,364.46

Finding the Fourth Proportional to 77,027,576.40, 106,308,955.44 and 47,668,364.46

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Solution

The fourth proportional to 77,027,576.40, 106,308,955.44 and 47,668,364.46 is: 65,789,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,027,576.40 : 106,308,955.44 = 47,668,364.46 : x
  2. Step 2: Convert to fraction form
    77,027,576.40/106,308,955.44 = 47,668,364.46/x
  3. Step 3: Cross multiply
    77,027,576.40x = 106,308,955.44 × 47,668,364.46
  4. Step 4: Simplify right side
    77,027,576.40x = 5,067,574,033,275,820
  5. Step 5: Solve for x
    x = 5,067,574,033,275,820/77,027,576.40
  6. Step 6: Final answer
    x = 65,789,088.40

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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.