Home / 293,401,873.60-440,102,810.40-77,991,121.60

Finding the Fourth Proportional to 293,401,873.60, 440,102,810.40 and 77,991,121.60

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Solution

The fourth proportional to 293,401,873.60, 440,102,810.40 and 77,991,121.60 is: 116,986,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,401,873.60 : 440,102,810.40 = 77,991,121.60 : x
  2. Step 2: Convert to fraction form
    293,401,873.60/440,102,810.40 = 77,991,121.60/x
  3. Step 3: Cross multiply
    293,401,873.60x = 440,102,810.40 × 77,991,121.60
  4. Step 4: Simplify right side
    293,401,873.60x = 34,324,111,802,408,140
  5. Step 5: Solve for x
    x = 34,324,111,802,408,140/293,401,873.60
  6. Step 6: Final answer
    x = 116,986,682.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.