Home / 219,847,513.20-329,771,269.80-127,636,594.80

Finding the Fourth Proportional to 219,847,513.20, 329,771,269.80 and 127,636,594.80

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Solution

The fourth proportional to 219,847,513.20, 329,771,269.80 and 127,636,594.80 is: 191,454,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,847,513.20 : 329,771,269.80 = 127,636,594.80 : x
  2. Step 2: Convert to fraction form
    219,847,513.20/329,771,269.80 = 127,636,594.80/x
  3. Step 3: Cross multiply
    219,847,513.20x = 329,771,269.80 × 127,636,594.80
  4. Step 4: Simplify right side
    219,847,513.20x = 42,090,881,940,144,080
  5. Step 5: Solve for x
    x = 42,090,881,940,144,080/219,847,513.20
  6. Step 6: Final answer
    x = 191,454,892.20

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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.