Home / 55,008,116.20-82,600,302.30-43,742,247.40

Finding the Fourth Proportional to 55,008,116.20, 82,600,302.30 and 43,742,247.40

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Solution

The fourth proportional to 55,008,116.20, 82,600,302.30 and 43,742,247.40 is: 65,683,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,008,116.20 : 82,600,302.30 = 43,742,247.40 : x
  2. Step 2: Convert to fraction form
    55,008,116.20/82,600,302.30 = 43,742,247.40/x
  3. Step 3: Cross multiply
    55,008,116.20x = 82,600,302.30 × 43,742,247.40
  4. Step 4: Simplify right side
    55,008,116.20x = 3,613,122,858,521,389
  5. Step 5: Solve for x
    x = 3,613,122,858,521,389/55,008,116.20
  6. Step 6: Final answer
    x = 65,683,450.15

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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.