Home / 219,847,533.70-329,771,300.55-127,636,615.30

Finding the Fourth Proportional to 219,847,533.70, 329,771,300.55 and 127,636,615.30

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Solution

The fourth proportional to 219,847,533.70, 329,771,300.55 and 127,636,615.30 is: 191,454,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,847,533.70 : 329,771,300.55 = 127,636,615.30 : x
  2. Step 2: Convert to fraction form
    219,847,533.70/329,771,300.55 = 127,636,615.30/x
  3. Step 3: Cross multiply
    219,847,533.70x = 329,771,300.55 × 127,636,615.30
  4. Step 4: Simplify right side
    219,847,533.70x = 42,090,892,625,281,032
  5. Step 5: Solve for x
    x = 42,090,892,625,281,032/219,847,533.70
  6. Step 6: Final answer
    x = 191,454,922.95

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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.