Home / 194,110,347.62-291,310,132.80-142,428,499.52

Finding the Fourth Proportional to 194,110,347.62, 291,310,132.80 and 142,428,499.52

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Solution

The fourth proportional to 194,110,347.62, 291,310,132.80 and 142,428,499.52 is: 213,748,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,110,347.62 : 291,310,132.80 = 142,428,499.52 : x
  2. Step 2: Convert to fraction form
    194,110,347.62/291,310,132.80 = 142,428,499.52/x
  3. Step 3: Cross multiply
    194,110,347.62x = 291,310,132.80 × 142,428,499.52
  4. Step 4: Simplify right side
    194,110,347.62x = 41,490,865,109,675,944
  5. Step 5: Solve for x
    x = 41,490,865,109,675,944/194,110,347.62
  6. Step 6: Final answer
    x = 213,748,857.90

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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.