Home / 137,416,800.15-189,726,499.80-105,570,249.66

Finding the Fourth Proportional to 137,416,800.15, 189,726,499.80 and 105,570,249.66

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Solution

The fourth proportional to 137,416,800.15, 189,726,499.80 and 105,570,249.66 is: 145,757,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,416,800.15 : 189,726,499.80 = 105,570,249.66 : x
  2. Step 2: Convert to fraction form
    137,416,800.15/189,726,499.80 = 105,570,249.66/x
  3. Step 3: Cross multiply
    137,416,800.15x = 189,726,499.80 × 105,570,249.66
  4. Step 4: Simplify right side
    137,416,800.15x = 20,029,473,951,003,940
  5. Step 5: Solve for x
    x = 20,029,473,951,003,940/137,416,800.15
  6. Step 6: Final answer
    x = 145,757,097.60

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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.