Home / 55,853,772.80-83,780,659.20-15,464,256.80

Finding the Fourth Proportional to 55,853,772.80, 83,780,659.20 and 15,464,256.80

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Solution

The fourth proportional to 55,853,772.80, 83,780,659.20 and 15,464,256.80 is: 23,196,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,853,772.80 : 83,780,659.20 = 15,464,256.80 : x
  2. Step 2: Convert to fraction form
    55,853,772.80/83,780,659.20 = 15,464,256.80/x
  3. Step 3: Cross multiply
    55,853,772.80x = 83,780,659.20 × 15,464,256.80
  4. Step 4: Simplify right side
    55,853,772.80x = 1,295,605,628,742,082.75
  5. Step 5: Solve for x
    x = 1,295,605,628,742,082.75/55,853,772.80
  6. Step 6: Final answer
    x = 23,196,385.20

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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.