Home / 51,201,254.13-76,801,955.10-20,909,117.13

Finding the Fourth Proportional to 51,201,254.13, 76,801,955.10 and 20,909,117.13

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Solution

The fourth proportional to 51,201,254.13, 76,801,955.10 and 20,909,117.13 is: 31,363,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,254.13 : 76,801,955.10 = 20,909,117.13 : x
  2. Step 2: Convert to fraction form
    51,201,254.13/76,801,955.10 = 20,909,117.13/x
  3. Step 3: Cross multiply
    51,201,254.13x = 76,801,955.10 × 20,909,117.13
  4. Step 4: Simplify right side
    51,201,254.13x = 1,605,861,074,998,900.75
  5. Step 5: Solve for x
    x = 1,605,861,074,998,900.75/51,201,254.13
  6. Step 6: Final answer
    x = 31,363,705.88

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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.