Home / 51,331,988.56-70,838,161.32-28,126,927.12

Finding the Fourth Proportional to 51,331,988.56, 70,838,161.32 and 28,126,927.12

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Solution

The fourth proportional to 51,331,988.56, 70,838,161.32 and 28,126,927.12 is: 38,815,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,331,988.56 : 70,838,161.32 = 28,126,927.12 : x
  2. Step 2: Convert to fraction form
    51,331,988.56/70,838,161.32 = 28,126,927.12/x
  3. Step 3: Cross multiply
    51,331,988.56x = 70,838,161.32 × 28,126,927.12
  4. Step 4: Simplify right side
    51,331,988.56x = 1,992,459,800,762,442.75
  5. Step 5: Solve for x
    x = 1,992,459,800,762,442.75/51,331,988.56
  6. Step 6: Final answer
    x = 38,815,168.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.