Home / 109,013,664.70-163,520,497.05-84,827,194.30

Finding the Fourth Proportional to 109,013,664.70, 163,520,497.05 and 84,827,194.30

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Solution

The fourth proportional to 109,013,664.70, 163,520,497.05 and 84,827,194.30 is: 127,240,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,013,664.70 : 163,520,497.05 = 84,827,194.30 : x
  2. Step 2: Convert to fraction form
    109,013,664.70/163,520,497.05 = 84,827,194.30/x
  3. Step 3: Cross multiply
    109,013,664.70x = 163,520,497.05 × 84,827,194.30
  4. Step 4: Simplify right side
    109,013,664.70x = 13,870,984,975,292,928
  5. Step 5: Solve for x
    x = 13,870,984,975,292,928/109,013,664.70
  6. Step 6: Final answer
    x = 127,240,791.45

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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.