Home / 109,918,735.36-151,681,930.88-61,023,013.12

Finding the Fourth Proportional to 109,918,735.36, 151,681,930.88 and 61,023,013.12

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Solution

The fourth proportional to 109,918,735.36, 151,681,930.88 and 61,023,013.12 is: 84,208,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,918,735.36 : 151,681,930.88 = 61,023,013.12 : x
  2. Step 2: Convert to fraction form
    109,918,735.36/151,681,930.88 = 61,023,013.12/x
  3. Step 3: Cross multiply
    109,918,735.36x = 151,681,930.88 × 61,023,013.12
  4. Step 4: Simplify right side
    109,918,735.36x = 9,256,088,458,157,172
  5. Step 5: Solve for x
    x = 9,256,088,458,157,172/109,918,735.36
  6. Step 6: Final answer
    x = 84,208,469.36

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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.