Home / 51,111,035.71-70,532,265.12-31,263,340.78

Finding the Fourth Proportional to 51,111,035.71, 70,532,265.12 and 31,263,340.78

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Solution

The fourth proportional to 51,111,035.71, 70,532,265.12 and 31,263,340.78 is: 43,142,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111,035.71 : 70,532,265.12 = 31,263,340.78 : x
  2. Step 2: Convert to fraction form
    51,111,035.71/70,532,265.12 = 31,263,340.78/x
  3. Step 3: Cross multiply
    51,111,035.71x = 70,532,265.12 × 31,263,340.78
  4. Step 4: Simplify right side
    51,111,035.71x = 2,205,074,240,431,867.75
  5. Step 5: Solve for x
    x = 2,205,074,240,431,867.75/51,111,035.71
  6. Step 6: Final answer
    x = 43,142,820.52

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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.