Home / 51,542,688-77,314,498.56-15,640,896

Finding the Fourth Proportional to 51,542,688, 77,314,498.56 and 15,640,896

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Solution

The fourth proportional to 51,542,688, 77,314,498.56 and 15,640,896 is: 23,461,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,542,688 : 77,314,498.56 = 15,640,896 : x
  2. Step 2: Convert to fraction form
    51,542,688/77,314,498.56 = 15,640,896/x
  3. Step 3: Cross multiply
    51,542,688x = 77,314,498.56 × 15,640,896
  4. Step 4: Simplify right side
    51,542,688x = 1,209,268,031,269,109.75
  5. Step 5: Solve for x
    x = 1,209,268,031,269,109.75/51,542,688
  6. Step 6: Final answer
    x = 23,461,485.58

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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.