Home / 220,052,742.90-330,079,114.35-211,549,686.90

Finding the Fourth Proportional to 220,052,742.90, 330,079,114.35 and 211,549,686.90

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Solution

The fourth proportional to 220,052,742.90, 330,079,114.35 and 211,549,686.90 is: 317,324,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,052,742.90 : 330,079,114.35 = 211,549,686.90 : x
  2. Step 2: Convert to fraction form
    220,052,742.90/330,079,114.35 = 211,549,686.90/x
  3. Step 3: Cross multiply
    220,052,742.90x = 330,079,114.35 × 211,549,686.90
  4. Step 4: Simplify right side
    220,052,742.90x = 69,828,133,292,971,808
  5. Step 5: Solve for x
    x = 69,828,133,292,971,808/220,052,742.90
  6. Step 6: Final answer
    x = 317,324,530.35

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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.