Home / 157,094,173.64-216,789,958.04-91,052,978.65

Finding the Fourth Proportional to 157,094,173.64, 216,789,958.04 and 91,052,978.65

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Solution

The fourth proportional to 157,094,173.64, 216,789,958.04 and 91,052,978.65 is: 125,653,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,094,173.64 : 216,789,958.04 = 91,052,978.65 : x
  2. Step 2: Convert to fraction form
    157,094,173.64/216,789,958.04 = 91,052,978.65/x
  3. Step 3: Cross multiply
    157,094,173.64x = 216,789,958.04 × 91,052,978.65
  4. Step 4: Simplify right side
    157,094,173.64x = 19,739,371,419,953,276
  5. Step 5: Solve for x
    x = 19,739,371,419,953,276/157,094,173.64
  6. Step 6: Final answer
    x = 125,653,109.61

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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.