Home / 203,798,918.32-281,239,707.90-115,692,146.80

Finding the Fourth Proportional to 203,798,918.32, 281,239,707.90 and 115,692,146.80

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Solution

The fourth proportional to 203,798,918.32, 281,239,707.90 and 115,692,146.80 is: 159,653,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,798,918.32 : 281,239,707.90 = 115,692,146.80 : x
  2. Step 2: Convert to fraction form
    203,798,918.32/281,239,707.90 = 115,692,146.80/x
  3. Step 3: Cross multiply
    203,798,918.32x = 281,239,707.90 × 115,692,146.80
  4. Step 4: Simplify right side
    203,798,918.32x = 32,537,225,572,355,916
  5. Step 5: Solve for x
    x = 32,537,225,572,355,916/203,798,918.32
  6. Step 6: Final answer
    x = 159,653,573.44

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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.