Home / 80,807,111.07-121,210,667.63-19,396,269.63

Finding the Fourth Proportional to 80,807,111.07, 121,210,667.63 and 19,396,269.63

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Solution

The fourth proportional to 80,807,111.07, 121,210,667.63 and 19,396,269.63 is: 29,094,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,807,111.07 : 121,210,667.63 = 19,396,269.63 : x
  2. Step 2: Convert to fraction form
    80,807,111.07/121,210,667.63 = 19,396,269.63/x
  3. Step 3: Cross multiply
    80,807,111.07x = 121,210,667.63 × 19,396,269.63
  4. Step 4: Simplify right side
    80,807,111.07x = 2,351,034,791,286,811.50
  5. Step 5: Solve for x
    x = 2,351,034,791,286,811.50/80,807,111.07
  6. Step 6: Final answer
    x = 29,094,404.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.