Home / 52,488,085.80-78,732,128.70-43,985,029.80

Finding the Fourth Proportional to 52,488,085.80, 78,732,128.70 and 43,985,029.80

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Solution

The fourth proportional to 52,488,085.80, 78,732,128.70 and 43,985,029.80 is: 65,977,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,085.80 : 78,732,128.70 = 43,985,029.80 : x
  2. Step 2: Convert to fraction form
    52,488,085.80/78,732,128.70 = 43,985,029.80/x
  3. Step 3: Cross multiply
    52,488,085.80x = 78,732,128.70 × 43,985,029.80
  4. Step 4: Simplify right side
    52,488,085.80x = 3,463,035,027,086,935
  5. Step 5: Solve for x
    x = 3,463,035,027,086,935/52,488,085.80
  6. Step 6: Final answer
    x = 65,977,544.70

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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.