Home / 172,509,712.34-238,062,210.23-94,193,220.47

Finding the Fourth Proportional to 172,509,712.34, 238,062,210.23 and 94,193,220.47

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Solution

The fourth proportional to 172,509,712.34, 238,062,210.23 and 94,193,220.47 is: 129,985,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,509,712.34 : 238,062,210.23 = 94,193,220.47 : x
  2. Step 2: Convert to fraction form
    172,509,712.34/238,062,210.23 = 94,193,220.47/x
  3. Step 3: Cross multiply
    172,509,712.34x = 238,062,210.23 × 94,193,220.47
  4. Step 4: Simplify right side
    172,509,712.34x = 22,423,846,252,815,052
  5. Step 5: Solve for x
    x = 22,423,846,252,815,052/172,509,712.34
  6. Step 6: Final answer
    x = 129,985,992.96

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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.