Home / 74,739,930.85-103,140,962.11-41,698,214.07

Finding the Fourth Proportional to 74,739,930.85, 103,140,962.11 and 41,698,214.07

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Solution

The fourth proportional to 74,739,930.85, 103,140,962.11 and 41,698,214.07 is: 57,543,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739,930.85 : 103,140,962.11 = 41,698,214.07 : x
  2. Step 2: Convert to fraction form
    74,739,930.85/103,140,962.11 = 41,698,214.07/x
  3. Step 3: Cross multiply
    74,739,930.85x = 103,140,962.11 × 41,698,214.07
  4. Step 4: Simplify right side
    74,739,930.85x = 4,300,793,917,114,089.50
  5. Step 5: Solve for x
    x = 4,300,793,917,114,089.50/74,739,930.85
  6. Step 6: Final answer
    x = 57,543,455.93

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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.