Home / 106,300,205,086.32-146,625,162,489.36-68,178,028,968.72

Finding the Fourth Proportional to 106,300,205,086.32, 146,625,162,489.36 and 68,178,028,968.72

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Solution

The fourth proportional to 106,300,205,086.32, 146,625,162,489.36 and 68,178,028,968.72 is: 94,041,347,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,300,205,086.32 : 146,625,162,489.36 = 68,178,028,968.72 : x
  2. Step 2: Convert to fraction form
    106,300,205,086.32/146,625,162,489.36 = 68,178,028,968.72/x
  3. Step 3: Cross multiply
    106,300,205,086.32x = 146,625,162,489.36 × 68,178,028,968.72
  4. Step 4: Simplify right side
    106,300,205,086.32x = 9,996,614,575,742,863,278,080
  5. Step 5: Solve for x
    x = 9,996,614,575,742,863,278,080/106,300,205,086.32
  6. Step 6: Final answer
    x = 94,041,347,969.42

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1.5x scale

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.