Home / 172,192,829,709.60-258,289,244,564.40-46,436,138,980.20

Finding the Fourth Proportional to 172,192,829,709.60, 258,289,244,564.40 and 46,436,138,980.20

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Solution

The fourth proportional to 172,192,829,709.60, 258,289,244,564.40 and 46,436,138,980.20 is: 69,654,208,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,192,829,709.60 : 258,289,244,564.40 = 46,436,138,980.20 : x
  2. Step 2: Convert to fraction form
    172,192,829,709.60/258,289,244,564.40 = 46,436,138,980.20/x
  3. Step 3: Cross multiply
    172,192,829,709.60x = 258,289,244,564.40 × 46,436,138,980.20
  4. Step 4: Simplify right side
    172,192,829,709.60x = 11,993,955,257,683,344,883,712
  5. Step 5: Solve for x
    x = 11,993,955,257,683,344,883,712/172,192,829,709.60
  6. Step 6: Final answer
    x = 69,654,208,470.30

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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.