Home / 381,087,206.04-571,664,907.90-147,912,451.50

Finding the Fourth Proportional to 381,087,206.04, 571,664,907.90 and 147,912,451.50

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Solution

The fourth proportional to 381,087,206.04, 571,664,907.90 and 147,912,451.50 is: 221,881,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,087,206.04 : 571,664,907.90 = 147,912,451.50 : x
  2. Step 2: Convert to fraction form
    381,087,206.04/571,664,907.90 = 147,912,451.50/x
  3. Step 3: Cross multiply
    381,087,206.04x = 571,664,907.90 × 147,912,451.50
  4. Step 4: Simplify right side
    381,087,206.04x = 84,556,357,964,010,720
  5. Step 5: Solve for x
    x = 84,556,357,964,010,720/381,087,206.04
  6. Step 6: Final answer
    x = 221,881,912.13

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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.