Home / 79,638,314,906.75-109,900,918,665.37-43,016,430,091.49

Finding the Fourth Proportional to 79,638,314,906.75, 109,900,918,665.37 and 43,016,430,091.49

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Solution

The fourth proportional to 79,638,314,906.75, 109,900,918,665.37 and 43,016,430,091.49 is: 59,362,697,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,314,906.75 : 109,900,918,665.37 = 43,016,430,091.49 : x
  2. Step 2: Convert to fraction form
    79,638,314,906.75/109,900,918,665.37 = 43,016,430,091.49/x
  3. Step 3: Cross multiply
    79,638,314,906.75x = 109,900,918,665.37 × 43,016,430,091.49
  4. Step 4: Simplify right side
    79,638,314,906.75x = 4,727,545,184,759,417,143,296
  5. Step 5: Solve for x
    x = 4,727,545,184,759,417,143,296/79,638,314,906.75
  6. Step 6: Final answer
    x = 59,362,697,343.55

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1.5x scale

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.