Home / 194,016,543.90-290,599,663.05-172,475,468.70

Finding the Fourth Proportional to 194,016,543.90, 290,599,663.05 and 172,475,468.70

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Solution

The fourth proportional to 194,016,543.90, 290,599,663.05 and 172,475,468.70 is: 258,335,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,016,543.90 : 290,599,663.05 = 172,475,468.70 : x
  2. Step 2: Convert to fraction form
    194,016,543.90/290,599,663.05 = 172,475,468.70/x
  3. Step 3: Cross multiply
    194,016,543.90x = 290,599,663.05 × 172,475,468.70
  4. Step 4: Simplify right side
    194,016,543.90x = 50,121,313,088,610,824
  5. Step 5: Solve for x
    x = 50,121,313,088,610,824/194,016,543.90
  6. Step 6: Final answer
    x = 258,335,253.69

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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.