Home / 189,047,476.80-283,571,215.20-73,993,780.80

Finding the Fourth Proportional to 189,047,476.80, 283,571,215.20 and 73,993,780.80

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Solution

The fourth proportional to 189,047,476.80, 283,571,215.20 and 73,993,780.80 is: 110,990,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,047,476.80 : 283,571,215.20 = 73,993,780.80 : x
  2. Step 2: Convert to fraction form
    189,047,476.80/283,571,215.20 = 73,993,780.80/x
  3. Step 3: Cross multiply
    189,047,476.80x = 283,571,215.20 × 73,993,780.80
  4. Step 4: Simplify right side
    189,047,476.80x = 20,982,506,338,698,428
  5. Step 5: Solve for x
    x = 20,982,506,338,698,428/189,047,476.80
  6. Step 6: Final answer
    x = 110,990,671.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.