Home / 122,485,040.84-169,028,846.60-66,730,287.67

Finding the Fourth Proportional to 122,485,040.84, 169,028,846.60 and 66,730,287.67

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Solution

The fourth proportional to 122,485,040.84, 169,028,846.60 and 66,730,287.67 is: 92,087,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,040.84 : 169,028,846.60 = 66,730,287.67 : x
  2. Step 2: Convert to fraction form
    122,485,040.84/169,028,846.60 = 66,730,287.67/x
  3. Step 3: Cross multiply
    122,485,040.84x = 169,028,846.60 × 66,730,287.67
  4. Step 4: Simplify right side
    122,485,040.84x = 11,279,343,559,094,334
  5. Step 5: Solve for x
    x = 11,279,343,559,094,334/122,485,040.84
  6. Step 6: Final answer
    x = 92,087,519.27

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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.