Home / 381,382,567.65-572,075,780.00-119,045,127.87

Finding the Fourth Proportional to 381,382,567.65, 572,075,780.00 and 119,045,127.87

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Solution

The fourth proportional to 381,382,567.65, 572,075,780.00 and 119,045,127.87 is: 178,568,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,382,567.65 : 572,075,780.00 = 119,045,127.87 : x
  2. Step 2: Convert to fraction form
    381,382,567.65/572,075,780.00 = 119,045,127.87/x
  3. Step 3: Cross multiply
    381,382,567.65x = 572,075,780.00 × 119,045,127.87
  4. Step 4: Simplify right side
    381,382,567.65x = 68,102,834,380,834,768
  5. Step 5: Solve for x
    x = 68,102,834,380,834,768/381,382,567.65
  6. Step 6: Final answer
    x = 178,568,293.78

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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.