Home / 193,319,675.82-289,889,610.21-70,412,430.42

Finding the Fourth Proportional to 193,319,675.82, 289,889,610.21 and 70,412,430.42

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Solution

The fourth proportional to 193,319,675.82, 289,889,610.21 and 70,412,430.42 is: 105,585,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,319,675.82 : 289,889,610.21 = 70,412,430.42 : x
  2. Step 2: Convert to fraction form
    193,319,675.82/289,889,610.21 = 70,412,430.42/x
  3. Step 3: Cross multiply
    193,319,675.82x = 289,889,610.21 × 70,412,430.42
  4. Step 4: Simplify right side
    193,319,675.82x = 20,411,832,008,392,544
  5. Step 5: Solve for x
    x = 20,411,832,008,392,544/193,319,675.82
  6. Step 6: Final answer
    x = 105,585,900.25

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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.