Home / 55,288,069.60-82,969,429.20-36,072,018.40

Finding the Fourth Proportional to 55,288,069.60, 82,969,429.20 and 36,072,018.40

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Solution

The fourth proportional to 55,288,069.60, 82,969,429.20 and 36,072,018.40 is: 54,132,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288,069.60 : 82,969,429.20 = 36,072,018.40 : x
  2. Step 2: Convert to fraction form
    55,288,069.60/82,969,429.20 = 36,072,018.40/x
  3. Step 3: Cross multiply
    55,288,069.60x = 82,969,429.20 × 36,072,018.40
  4. Step 4: Simplify right side
    55,288,069.60x = 2,992,874,776,739,897.50
  5. Step 5: Solve for x
    x = 2,992,874,776,739,897.50/55,288,069.60
  6. Step 6: Final answer
    x = 54,132,379.70

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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.