Home / 55,271,514.60-82,907,271.90-42,516,930.60

Finding the Fourth Proportional to 55,271,514.60, 82,907,271.90 and 42,516,930.60

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Solution

The fourth proportional to 55,271,514.60, 82,907,271.90 and 42,516,930.60 is: 63,775,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271,514.60 : 82,907,271.90 = 42,516,930.60 : x
  2. Step 2: Convert to fraction form
    55,271,514.60/82,907,271.90 = 42,516,930.60/x
  3. Step 3: Cross multiply
    55,271,514.60x = 82,907,271.90 × 42,516,930.60
  4. Step 4: Simplify right side
    55,271,514.60x = 3,524,962,725,607,630.50
  5. Step 5: Solve for x
    x = 3,524,962,725,607,630.50/55,271,514.60
  6. Step 6: Final answer
    x = 63,775,395.90

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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.