Home / 219,847,527.70-329,771,291.55-127,636,609.30

Finding the Fourth Proportional to 219,847,527.70, 329,771,291.55 and 127,636,609.30

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Solution

The fourth proportional to 219,847,527.70, 329,771,291.55 and 127,636,609.30 is: 191,454,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,847,527.70 : 329,771,291.55 = 127,636,609.30 : x
  2. Step 2: Convert to fraction form
    219,847,527.70/329,771,291.55 = 127,636,609.30/x
  3. Step 3: Cross multiply
    219,847,527.70x = 329,771,291.55 × 127,636,609.30
  4. Step 4: Simplify right side
    219,847,527.70x = 42,090,889,497,923,744
  5. Step 5: Solve for x
    x = 42,090,889,497,923,744/219,847,527.70
  6. Step 6: Final answer
    x = 191,454,913.95

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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.