Home / 117,835,399.20-162,617,895.72-65,624,434.80

Finding the Fourth Proportional to 117,835,399.20, 162,617,895.72 and 65,624,434.80

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Solution

The fourth proportional to 117,835,399.20, 162,617,895.72 and 65,624,434.80 is: 90,564,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835,399.20 : 162,617,895.72 = 65,624,434.80 : x
  2. Step 2: Convert to fraction form
    117,835,399.20/162,617,895.72 = 65,624,434.80/x
  3. Step 3: Cross multiply
    117,835,399.20x = 162,617,895.72 × 65,624,434.80
  4. Step 4: Simplify right side
    117,835,399.20x = 10,671,707,494,990,338
  5. Step 5: Solve for x
    x = 10,671,707,494,990,338/117,835,399.20
  6. Step 6: Final answer
    x = 90,564,529.57

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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.