Home / 101,968,821.80-140,715,195.78-55,559,459.24

Finding the Fourth Proportional to 101,968,821.80, 140,715,195.78 and 55,559,459.24

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Solution

The fourth proportional to 101,968,821.80, 140,715,195.78 and 55,559,459.24 is: 76,671,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,968,821.80 : 140,715,195.78 = 55,559,459.24 : x
  2. Step 2: Convert to fraction form
    101,968,821.80/140,715,195.78 = 55,559,459.24/x
  3. Step 3: Cross multiply
    101,968,821.80x = 140,715,195.78 × 55,559,459.24
  4. Step 4: Simplify right side
    101,968,821.80x = 7,818,060,184,387,530
  5. Step 5: Solve for x
    x = 7,818,060,184,387,530/101,968,821.80
  6. Step 6: Final answer
    x = 76,671,084.81

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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.