Home / 152,010,523,458.22-209,760,657,002.37-90,200,440,767.63

Finding the Fourth Proportional to 152,010,523,458.22, 209,760,657,002.37 and 90,200,440,767.63

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Solution

The fourth proportional to 152,010,523,458.22, 209,760,657,002.37 and 90,200,440,767.63 is: 124,468,380,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,010,523,458.22 : 209,760,657,002.37 = 90,200,440,767.63 : x
  2. Step 2: Convert to fraction form
    152,010,523,458.22/209,760,657,002.37 = 90,200,440,767.63/x
  3. Step 3: Cross multiply
    152,010,523,458.22x = 209,760,657,002.37 × 90,200,440,767.63
  4. Step 4: Simplify right side
    152,010,523,458.22x = 18,920,503,717,321,427,124,224
  5. Step 5: Solve for x
    x = 18,920,503,717,321,427,124,224/152,010,523,458.22
  6. Step 6: Final answer
    x = 124,468,380,786.29

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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.