Home / 172,509,713.34-238,062,211.61-94,193,221.47

Finding the Fourth Proportional to 172,509,713.34, 238,062,211.61 and 94,193,221.47

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Solution

The fourth proportional to 172,509,713.34, 238,062,211.61 and 94,193,221.47 is: 129,985,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,509,713.34 : 238,062,211.61 = 94,193,221.47 : x
  2. Step 2: Convert to fraction form
    172,509,713.34/238,062,211.61 = 94,193,221.47/x
  3. Step 3: Cross multiply
    172,509,713.34x = 238,062,211.61 × 94,193,221.47
  4. Step 4: Simplify right side
    172,509,713.34x = 22,423,846,621,818,736
  5. Step 5: Solve for x
    x = 22,423,846,621,818,736/172,509,713.34
  6. Step 6: Final answer
    x = 129,985,994.34

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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.