Home / 275,571,675.75-413,213,995.38-129,966,140.16

Finding the Fourth Proportional to 275,571,675.75, 413,213,995.38 and 129,966,140.16

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Solution

The fourth proportional to 275,571,675.75, 413,213,995.38 and 129,966,140.16 is: 194,881,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,571,675.75 : 413,213,995.38 = 129,966,140.16 : x
  2. Step 2: Convert to fraction form
    275,571,675.75/413,213,995.38 = 129,966,140.16/x
  3. Step 3: Cross multiply
    275,571,675.75x = 413,213,995.38 × 129,966,140.16
  4. Step 4: Simplify right side
    275,571,675.75x = 53,703,828,039,630,672
  5. Step 5: Solve for x
    x = 53,703,828,039,630,672/275,571,675.75
  6. Step 6: Final answer
    x = 194,881,523.63

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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.