Home / 51,201,258.91-76,801,962.28-20,909,121.91

Finding the Fourth Proportional to 51,201,258.91, 76,801,962.28 and 20,909,121.91

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Solution

The fourth proportional to 51,201,258.91, 76,801,962.28 and 20,909,121.91 is: 31,363,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,258.91 : 76,801,962.28 = 20,909,121.91 : x
  2. Step 2: Convert to fraction form
    51,201,258.91/76,801,962.28 = 20,909,121.91/x
  3. Step 3: Cross multiply
    51,201,258.91x = 76,801,962.28 × 20,909,121.91
  4. Step 4: Simplify right side
    51,201,258.91x = 1,605,861,592,239,741.50
  5. Step 5: Solve for x
    x = 1,605,861,592,239,741.50/51,201,258.91
  6. Step 6: Final answer
    x = 31,363,713.05

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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.