Home / 216,874,322.57-299,291,764.93-117,759,247.47

Finding the Fourth Proportional to 216,874,322.57, 299,291,764.93 and 117,759,247.47

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Solution

The fourth proportional to 216,874,322.57, 299,291,764.93 and 117,759,247.47 is: 162,510,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,874,322.57 : 299,291,764.93 = 117,759,247.47 : x
  2. Step 2: Convert to fraction form
    216,874,322.57/299,291,764.93 = 117,759,247.47/x
  3. Step 3: Cross multiply
    216,874,322.57x = 299,291,764.93 × 117,759,247.47
  4. Step 4: Simplify right side
    216,874,322.57x = 35,244,373,011,830,540
  5. Step 5: Solve for x
    x = 35,244,373,011,830,540/216,874,322.57
  6. Step 6: Final answer
    x = 162,510,584.90

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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.