Home / 55,665,707.20-83,356,843.20-53,114,790.40

Finding the Fourth Proportional to 55,665,707.20, 83,356,843.20 and 53,114,790.40

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Solution

The fourth proportional to 55,665,707.20, 83,356,843.20 and 53,114,790.40 is: 79,536,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665,707.20 : 83,356,843.20 = 53,114,790.40 : x
  2. Step 2: Convert to fraction form
    55,665,707.20/83,356,843.20 = 53,114,790.40/x
  3. Step 3: Cross multiply
    55,665,707.20x = 83,356,843.20 × 53,114,790.40
  4. Step 4: Simplify right side
    55,665,707.20x = 4,427,481,254,973,665.50
  5. Step 5: Solve for x
    x = 4,427,481,254,973,665.50/55,665,707.20
  6. Step 6: Final answer
    x = 79,536,962.30

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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.