Home / 79,638,314,980.43-109,900,918,767.16-43,016,430,165.28

Finding the Fourth Proportional to 79,638,314,980.43, 109,900,918,767.16 and 43,016,430,165.28

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Solution

The fourth proportional to 79,638,314,980.43, 109,900,918,767.16 and 43,016,430,165.28 is: 59,362,697,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,314,980.43 : 109,900,918,767.16 = 43,016,430,165.28 : x
  2. Step 2: Convert to fraction form
    79,638,314,980.43/109,900,918,767.16 = 43,016,430,165.28/x
  3. Step 3: Cross multiply
    79,638,314,980.43x = 109,900,918,767.16 × 43,016,430,165.28
  4. Step 4: Simplify right side
    79,638,314,980.43x = 4,727,545,197,247,428,820,992
  5. Step 5: Solve for x
    x = 4,727,545,197,247,428,820,992/79,638,314,980.43
  6. Step 6: Final answer
    x = 59,362,697,445.43

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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.