Home / 107,728,710,430.40-161,593,065,645.60-100,382,070,046.40

Finding the Fourth Proportional to 107,728,710,430.40, 161,593,065,645.60 and 100,382,070,046.40

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Solution

The fourth proportional to 107,728,710,430.40, 161,593,065,645.60 and 100,382,070,046.40 is: 150,573,105,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,728,710,430.40 : 161,593,065,645.60 = 100,382,070,046.40 : x
  2. Step 2: Convert to fraction form
    107,728,710,430.40/161,593,065,645.60 = 100,382,070,046.40/x
  3. Step 3: Cross multiply
    107,728,710,430.40x = 161,593,065,645.60 × 100,382,070,046.40
  4. Step 4: Simplify right side
    107,728,710,430.40x = 16,221,046,434,649,132,236,800
  5. Step 5: Solve for x
    x = 16,221,046,434,649,132,236,800/107,728,710,430.40
  6. Step 6: Final answer
    x = 150,573,105,069.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.