Home / 126,853,301,930.40-175,062,159,384.84-72,670,322,464.56

Finding the Fourth Proportional to 126,853,301,930.40, 175,062,159,384.84 and 72,670,322,464.56

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Solution

The fourth proportional to 126,853,301,930.40, 175,062,159,384.84 and 72,670,322,464.56 is: 100,287,681,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853,301,930.40 : 175,062,159,384.84 = 72,670,322,464.56 : x
  2. Step 2: Convert to fraction form
    126,853,301,930.40/175,062,159,384.84 = 72,670,322,464.56/x
  3. Step 3: Cross multiply
    126,853,301,930.40x = 175,062,159,384.84 × 72,670,322,464.56
  4. Step 4: Simplify right side
    126,853,301,930.40x = 12,721,823,573,838,521,171,968
  5. Step 5: Solve for x
    x = 12,721,823,573,838,521,171,968/126,853,301,930.40
  6. Step 6: Final answer
    x = 100,287,681,757.14

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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.