Home / 213,641,901.44-320,502,704.16-97,065,431.36

Finding the Fourth Proportional to 213,641,901.44, 320,502,704.16 and 97,065,431.36

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Solution

The fourth proportional to 213,641,901.44, 320,502,704.16 and 97,065,431.36 is: 145,616,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,641,901.44 : 320,502,704.16 = 97,065,431.36 : x
  2. Step 2: Convert to fraction form
    213,641,901.44/320,502,704.16 = 97,065,431.36/x
  3. Step 3: Cross multiply
    213,641,901.44x = 320,502,704.16 × 97,065,431.36
  4. Step 4: Simplify right side
    213,641,901.44x = 31,109,733,231,336,868
  5. Step 5: Solve for x
    x = 31,109,733,231,336,868/213,641,901.44
  6. Step 6: Final answer
    x = 145,616,253.28

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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.