Home / 101,636,591.28-140,258,190.62-55,226,986.80

Finding the Fourth Proportional to 101,636,591.28, 140,258,190.62 and 55,226,986.80

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Solution

The fourth proportional to 101,636,591.28, 140,258,190.62 and 55,226,986.80 is: 76,213,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,636,591.28 : 140,258,190.62 = 55,226,986.80 : x
  2. Step 2: Convert to fraction form
    101,636,591.28/140,258,190.62 = 55,226,986.80/x
  3. Step 3: Cross multiply
    101,636,591.28x = 140,258,190.62 × 55,226,986.80
  4. Step 4: Simplify right side
    101,636,591.28x = 7,746,037,241,962,624
  5. Step 5: Solve for x
    x = 7,746,037,241,962,624/101,636,591.28
  6. Step 6: Final answer
    x = 76,213,075.87

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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.