Home / 116,299,221.72-160,493,987.36-64,090,130.64

Finding the Fourth Proportional to 116,299,221.72, 160,493,987.36 and 64,090,130.64

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Solution

The fourth proportional to 116,299,221.72, 160,493,987.36 and 64,090,130.64 is: 88,444,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,299,221.72 : 160,493,987.36 = 64,090,130.64 : x
  2. Step 2: Convert to fraction form
    116,299,221.72/160,493,987.36 = 64,090,130.64/x
  3. Step 3: Cross multiply
    116,299,221.72x = 160,493,987.36 × 64,090,130.64
  4. Step 4: Simplify right side
    116,299,221.72x = 10,286,080,616,836,910
  5. Step 5: Solve for x
    x = 10,286,080,616,836,910/116,299,221.72
  6. Step 6: Final answer
    x = 88,444,965.19

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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.