Home / 58,610,907.59-80,897,750.78-39,804,310.71

Finding the Fourth Proportional to 58,610,907.59, 80,897,750.78 and 39,804,310.71

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Solution

The fourth proportional to 58,610,907.59, 80,897,750.78 and 39,804,310.71 is: 54,939,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,610,907.59 : 80,897,750.78 = 39,804,310.71 : x
  2. Step 2: Convert to fraction form
    58,610,907.59/80,897,750.78 = 39,804,310.71/x
  3. Step 3: Cross multiply
    58,610,907.59x = 80,897,750.78 × 39,804,310.71
  4. Step 4: Simplify right side
    58,610,907.59x = 3,220,079,207,588,243.50
  5. Step 5: Solve for x
    x = 3,220,079,207,588,243.50/58,610,907.59
  6. Step 6: Final answer
    x = 54,939,930.81

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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.