Home / 43,636,128-65,463,640.32-16,709,784.96

Finding the Fourth Proportional to 43,636,128, 65,463,640.32 and 16,709,784.96

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Solution

The fourth proportional to 43,636,128, 65,463,640.32 and 16,709,784.96 is: 25,068,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,636,128 : 65,463,640.32 = 16,709,784.96 : x
  2. Step 2: Convert to fraction form
    43,636,128/65,463,640.32 = 16,709,784.96/x
  3. Step 3: Cross multiply
    43,636,128x = 65,463,640.32 × 16,709,784.96
  4. Step 4: Simplify right side
    43,636,128x = 1,093,883,352,445,985.62
  5. Step 5: Solve for x
    x = 1,093,883,352,445,985.62/43,636,128
  6. Step 6: Final answer
    x = 25,068,295.53

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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.