Home / 103,590,563.10-142,954,954.71-57,180,805.02

Finding the Fourth Proportional to 103,590,563.10, 142,954,954.71 and 57,180,805.02

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Solution

The fourth proportional to 103,590,563.10, 142,954,954.71 and 57,180,805.02 is: 78,909,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,590,563.10 : 142,954,954.71 = 57,180,805.02 : x
  2. Step 2: Convert to fraction form
    103,590,563.10/142,954,954.71 = 57,180,805.02/x
  3. Step 3: Cross multiply
    103,590,563.10x = 142,954,954.71 × 57,180,805.02
  4. Step 4: Simplify right side
    103,590,563.10x = 8,174,279,391,915,442
  5. Step 5: Solve for x
    x = 8,174,279,391,915,442/103,590,563.10
  6. Step 6: Final answer
    x = 78,909,498.58

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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.