Home / 51,201,254.25-76,801,955.29-20,909,117.25

Finding the Fourth Proportional to 51,201,254.25, 76,801,955.29 and 20,909,117.25

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Solution

The fourth proportional to 51,201,254.25, 76,801,955.29 and 20,909,117.25 is: 31,363,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,254.25 : 76,801,955.29 = 20,909,117.25 : x
  2. Step 2: Convert to fraction form
    51,201,254.25/76,801,955.29 = 20,909,117.25/x
  3. Step 3: Cross multiply
    51,201,254.25x = 76,801,955.29 × 20,909,117.25
  4. Step 4: Simplify right side
    51,201,254.25x = 1,605,861,088,135,594.75
  5. Step 5: Solve for x
    x = 1,605,861,088,135,594.75/51,201,254.25
  6. Step 6: Final answer
    x = 31,363,706.06

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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.