Home / 70,158,363,472.71-105,243,731,843.24-19,794,237,987.33

Finding the Fourth Proportional to 70,158,363,472.71, 105,243,731,843.24 and 19,794,237,987.33

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Solution

The fourth proportional to 70,158,363,472.71, 105,243,731,843.24 and 19,794,237,987.33 is: 29,693,102,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,158,363,472.71 : 105,243,731,843.24 = 19,794,237,987.33 : x
  2. Step 2: Convert to fraction form
    70,158,363,472.71/105,243,731,843.24 = 19,794,237,987.33/x
  3. Step 3: Cross multiply
    70,158,363,472.71x = 105,243,731,843.24 × 19,794,237,987.33
  4. Step 4: Simplify right side
    70,158,363,472.71x = 2,083,219,474,779,833,368,576
  5. Step 5: Solve for x
    x = 2,083,219,474,779,833,368,576/70,158,363,472.71
  6. Step 6: Final answer
    x = 29,693,102,456.56

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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.