Home / 55,025,953.20-75,855,779.64-38,454,627.60

Finding the Fourth Proportional to 55,025,953.20, 75,855,779.64 and 38,454,627.60

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Solution

The fourth proportional to 55,025,953.20, 75,855,779.64 and 38,454,627.60 is: 53,011,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,025,953.20 : 75,855,779.64 = 38,454,627.60 : x
  2. Step 2: Convert to fraction form
    55,025,953.20/75,855,779.64 = 38,454,627.60/x
  3. Step 3: Cross multiply
    55,025,953.20x = 75,855,779.64 × 38,454,627.60
  4. Step 4: Simplify right side
    55,025,953.20x = 2,917,005,757,363,862
  5. Step 5: Solve for x
    x = 2,917,005,757,363,862/55,025,953.20
  6. Step 6: Final answer
    x = 53,011,453.46

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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.