Home / 137,503,308,661.24-189,754,575,077.44-76,534,367,451.70

Finding the Fourth Proportional to 137,503,308,661.24, 189,754,575,077.44 and 76,534,367,451.70

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Solution

The fourth proportional to 137,503,308,661.24, 189,754,575,077.44 and 76,534,367,451.70 is: 105,617,432,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,503,308,661.24 : 189,754,575,077.44 = 76,534,367,451.70 : x
  2. Step 2: Convert to fraction form
    137,503,308,661.24/189,754,575,077.44 = 76,534,367,451.70/x
  3. Step 3: Cross multiply
    137,503,308,661.24x = 189,754,575,077.44 × 76,534,367,451.70
  4. Step 4: Simplify right side
    137,503,308,661.24x = 14,522,746,374,617,986,760,704
  5. Step 5: Solve for x
    x = 14,522,746,374,617,986,760,704/137,503,308,661.24
  6. Step 6: Final answer
    x = 105,617,432,162.28

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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.