Home / 51,975,881.04-78,040,465.20-28,991,722.08

Finding the Fourth Proportional to 51,975,881.04, 78,040,465.20 and 28,991,722.08

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Solution

The fourth proportional to 51,975,881.04, 78,040,465.20 and 28,991,722.08 is: 43,530,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975,881.04 : 78,040,465.20 = 28,991,722.08 : x
  2. Step 2: Convert to fraction form
    51,975,881.04/78,040,465.20 = 28,991,722.08/x
  3. Step 3: Cross multiply
    51,975,881.04x = 78,040,465.20 × 28,991,722.08
  4. Step 4: Simplify right side
    51,975,881.04x = 2,262,527,478,072,311.50
  5. Step 5: Solve for x
    x = 2,262,527,478,072,311.50/51,975,881.04
  6. Step 6: Final answer
    x = 43,530,334.32

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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.