Home / 190,620,688.08-285,883,792.92-54,307,252.56

Finding the Fourth Proportional to 190,620,688.08, 285,883,792.92 and 54,307,252.56

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Solution

The fourth proportional to 190,620,688.08, 285,883,792.92 and 54,307,252.56 is: 81,447,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,620,688.08 : 285,883,792.92 = 54,307,252.56 : x
  2. Step 2: Convert to fraction form
    190,620,688.08/285,883,792.92 = 54,307,252.56/x
  3. Step 3: Cross multiply
    190,620,688.08x = 285,883,792.92 × 54,307,252.56
  4. Step 4: Simplify right side
    190,620,688.08x = 15,525,563,344,917,182
  5. Step 5: Solve for x
    x = 15,525,563,344,917,182/190,620,688.08
  6. Step 6: Final answer
    x = 81,447,420.54

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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.