Home / 54,128,237.85-81,261,640.94-46,500,681.69

Finding the Fourth Proportional to 54,128,237.85, 81,261,640.94 and 46,500,681.69

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Solution

The fourth proportional to 54,128,237.85, 81,261,640.94 and 46,500,681.69 is: 69,810,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,237.85 : 81,261,640.94 = 46,500,681.69 : x
  2. Step 2: Convert to fraction form
    54,128,237.85/81,261,640.94 = 46,500,681.69/x
  3. Step 3: Cross multiply
    54,128,237.85x = 81,261,640.94 × 46,500,681.69
  4. Step 4: Simplify right side
    54,128,237.85x = 3,778,721,698,725,509
  5. Step 5: Solve for x
    x = 3,778,721,698,725,509/54,128,237.85
  6. Step 6: Final answer
    x = 69,810,543.42

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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.