Home / 101,953,329.62-140,658,688.11-66,691,262.45

Finding the Fourth Proportional to 101,953,329.62, 140,658,688.11 and 66,691,262.45

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Solution

The fourth proportional to 101,953,329.62, 140,658,688.11 and 66,691,262.45 is: 92,009,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,953,329.62 : 140,658,688.11 = 66,691,262.45 : x
  2. Step 2: Convert to fraction form
    101,953,329.62/140,658,688.11 = 66,691,262.45/x
  3. Step 3: Cross multiply
    101,953,329.62x = 140,658,688.11 × 66,691,262.45
  4. Step 4: Simplify right side
    101,953,329.62x = 9,380,705,485,218,444
  5. Step 5: Solve for x
    x = 9,380,705,485,218,444/101,953,329.62
  6. Step 6: Final answer
    x = 92,009,800.18

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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.