Home / 76,802,711,025.24-115,779,718,621.35-71,683,021,007.64

Finding the Fourth Proportional to 76,802,711,025.24, 115,779,718,621.35 and 71,683,021,007.64

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Solution

The fourth proportional to 76,802,711,025.24, 115,779,718,621.35 and 71,683,021,007.64 is: 108,061,810,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,802,711,025.24 : 115,779,718,621.35 = 71,683,021,007.64 : x
  2. Step 2: Convert to fraction form
    76,802,711,025.24/115,779,718,621.35 = 71,683,021,007.64/x
  3. Step 3: Cross multiply
    76,802,711,025.24x = 115,779,718,621.35 × 71,683,021,007.64
  4. Step 4: Simplify right side
    76,802,711,025.24x = 8,299,440,002,192,880,173,056
  5. Step 5: Solve for x
    x = 8,299,440,002,192,880,173,056/76,802,711,025.24
  6. Step 6: Final answer
    x = 108,061,810,467.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.