Home / 64,991,445.26-89,697,378.66-40,219,606.50

Finding the Fourth Proportional to 64,991,445.26, 89,697,378.66 and 40,219,606.50

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Solution

The fourth proportional to 64,991,445.26, 89,697,378.66 and 40,219,606.50 is: 55,508,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,991,445.26 : 89,697,378.66 = 40,219,606.50 : x
  2. Step 2: Convert to fraction form
    64,991,445.26/89,697,378.66 = 40,219,606.50/x
  3. Step 3: Cross multiply
    64,991,445.26x = 89,697,378.66 × 40,219,606.50
  4. Step 4: Simplify right side
    64,991,445.26x = 3,607,593,273,786,697
  5. Step 5: Solve for x
    x = 3,607,593,273,786,697/64,991,445.26
  6. Step 6: Final answer
    x = 55,508,740.56

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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.