Home / 51,276,628.60-70,750,434.76-30,358,274.31

Finding the Fourth Proportional to 51,276,628.60, 70,750,434.76 and 30,358,274.31

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Solution

The fourth proportional to 51,276,628.60, 70,750,434.76 and 30,358,274.31 is: 41,887,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276,628.60 : 70,750,434.76 = 30,358,274.31 : x
  2. Step 2: Convert to fraction form
    51,276,628.60/70,750,434.76 = 30,358,274.31/x
  3. Step 3: Cross multiply
    51,276,628.60x = 70,750,434.76 × 30,358,274.31
  4. Step 4: Simplify right side
    51,276,628.60x = 2,147,861,105,919,943
  5. Step 5: Solve for x
    x = 2,147,861,105,919,943/51,276,628.60
  6. Step 6: Final answer
    x = 41,887,720.87

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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.