Home / 223,730,121,847.91-308,747,692,006.22-120,847,240,993.72

Finding the Fourth Proportional to 223,730,121,847.91, 308,747,692,006.22 and 120,847,240,993.72

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Solution

The fourth proportional to 223,730,121,847.91, 308,747,692,006.22 and 120,847,240,993.72 is: 166,769,259,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,730,121,847.91 : 308,747,692,006.22 = 120,847,240,993.72 : x
  2. Step 2: Convert to fraction form
    223,730,121,847.91/308,747,692,006.22 = 120,847,240,993.72/x
  3. Step 3: Cross multiply
    223,730,121,847.91x = 308,747,692,006.22 × 120,847,240,993.72
  4. Step 4: Simplify right side
    223,730,121,847.91x = 37,311,306,742,130,504,892,416
  5. Step 5: Solve for x
    x = 37,311,306,742,130,504,892,416/223,730,121,847.91
  6. Step 6: Final answer
    x = 166,769,259,471.89

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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.