Home / 79,638,315,838.24-109,900,919,948.88-43,016,431,021.60

Finding the Fourth Proportional to 79,638,315,838.24, 109,900,919,948.88 and 43,016,431,021.60

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Solution

The fourth proportional to 79,638,315,838.24, 109,900,919,948.88 and 43,016,431,021.60 is: 59,362,698,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,315,838.24 : 109,900,919,948.88 = 43,016,431,021.60 : x
  2. Step 2: Convert to fraction form
    79,638,315,838.24/109,900,919,948.88 = 43,016,431,021.60/x
  3. Step 3: Cross multiply
    79,638,315,838.24x = 109,900,919,948.88 × 43,016,431,021.60
  4. Step 4: Simplify right side
    79,638,315,838.24x = 4,727,545,342,191,380,463,616
  5. Step 5: Solve for x
    x = 4,727,545,342,191,380,463,616/79,638,315,838.24
  6. Step 6: Final answer
    x = 59,362,698,626.05

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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.