Home / 116,835,783.12-161,222,560.56-64,623,695.04

Finding the Fourth Proportional to 116,835,783.12, 161,222,560.56 and 64,623,695.04

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Solution

The fourth proportional to 116,835,783.12, 161,222,560.56 and 64,623,695.04 is: 89,174,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,835,783.12 : 161,222,560.56 = 64,623,695.04 : x
  2. Step 2: Convert to fraction form
    116,835,783.12/161,222,560.56 = 64,623,695.04/x
  3. Step 3: Cross multiply
    116,835,783.12x = 161,222,560.56 × 64,623,695.04
  4. Step 4: Simplify right side
    116,835,783.12x = 10,418,797,587,197,372
  5. Step 5: Solve for x
    x = 10,418,797,587,197,372/116,835,783.12
  6. Step 6: Final answer
    x = 89,174,714.36

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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.