Home / 122,454,068,050.86-168,986,612,506.23-66,129,825,106.86

Finding the Fourth Proportional to 122,454,068,050.86, 168,986,612,506.23 and 66,129,825,106.86

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Solution

The fourth proportional to 122,454,068,050.86, 168,986,612,506.23 and 66,129,825,106.86 is: 91,259,157,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,454,068,050.86 : 168,986,612,506.23 = 66,129,825,106.86 : x
  2. Step 2: Convert to fraction form
    122,454,068,050.86/168,986,612,506.23 = 66,129,825,106.86/x
  3. Step 3: Cross multiply
    122,454,068,050.86x = 168,986,612,506.23 × 66,129,825,106.86
  4. Step 4: Simplify right side
    122,454,068,050.86x = 11,175,055,130,437,712,084,992
  5. Step 5: Solve for x
    x = 11,175,055,130,437,712,084,992/122,454,068,050.86
  6. Step 6: Final answer
    x = 91,259,157,889.28

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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.