Home / 200,572,468.52-300,551,873.06-107,212,720.31

Finding the Fourth Proportional to 200,572,468.52, 300,551,873.06 and 107,212,720.31

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Solution

The fourth proportional to 200,572,468.52, 300,551,873.06 and 107,212,720.31 is: 160,655,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,572,468.52 : 300,551,873.06 = 107,212,720.31 : x
  2. Step 2: Convert to fraction form
    200,572,468.52/300,551,873.06 = 107,212,720.31/x
  3. Step 3: Cross multiply
    200,572,468.52x = 300,551,873.06 × 107,212,720.31
  4. Step 4: Simplify right side
    200,572,468.52x = 32,222,983,902,989,584
  5. Step 5: Solve for x
    x = 32,222,983,902,989,584/200,572,468.52
  6. Step 6: Final answer
    x = 160,655,069.67

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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.