Home / 51,111,028.23-70,532,254.78-31,263,333.28

Finding the Fourth Proportional to 51,111,028.23, 70,532,254.78 and 31,263,333.28

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Solution

The fourth proportional to 51,111,028.23, 70,532,254.78 and 31,263,333.28 is: 43,142,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111,028.23 : 70,532,254.78 = 31,263,333.28 : x
  2. Step 2: Convert to fraction form
    51,111,028.23/70,532,254.78 = 31,263,333.28/x
  3. Step 3: Cross multiply
    51,111,028.23x = 70,532,254.78 × 31,263,333.28
  4. Step 4: Simplify right side
    51,111,028.23x = 2,205,073,388,177,013.25
  5. Step 5: Solve for x
    x = 2,205,073,388,177,013.25/51,111,028.23
  6. Step 6: Final answer
    x = 43,142,810.16

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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.