Home / 70,807,778.65-97,007,002.79-68,153,922.91

Finding the Fourth Proportional to 70,807,778.65, 97,007,002.79 and 68,153,922.91

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Solution

The fourth proportional to 70,807,778.65, 97,007,002.79 and 68,153,922.91 is: 93,371,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,807,778.65 : 97,007,002.79 = 68,153,922.91 : x
  2. Step 2: Convert to fraction form
    70,807,778.65/97,007,002.79 = 68,153,922.91/x
  3. Step 3: Cross multiply
    70,807,778.65x = 97,007,002.79 × 68,153,922.91
  4. Step 4: Simplify right side
    70,807,778.65x = 6,611,407,789,807,682
  5. Step 5: Solve for x
    x = 6,611,407,789,807,682/70,807,778.65
  6. Step 6: Final answer
    x = 93,371,207.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.