Home / 126,853,301,916.90-175,062,159,366.21-72,670,322,451.06

Finding the Fourth Proportional to 126,853,301,916.90, 175,062,159,366.21 and 72,670,322,451.06

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Solution

The fourth proportional to 126,853,301,916.90, 175,062,159,366.21 and 72,670,322,451.06 is: 100,287,681,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853,301,916.90 : 175,062,159,366.21 = 72,670,322,451.06 : x
  2. Step 2: Convert to fraction form
    126,853,301,916.90/175,062,159,366.21 = 72,670,322,451.06/x
  3. Step 3: Cross multiply
    126,853,301,916.90x = 175,062,159,366.21 × 72,670,322,451.06
  4. Step 4: Simplify right side
    126,853,301,916.90x = 12,721,823,570,121,333,932,032
  5. Step 5: Solve for x
    x = 12,721,823,570,121,333,932,032/126,853,301,916.90
  6. Step 6: Final answer
    x = 100,287,681,738.51

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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.