Home / 197,646,815.61-272,593,566.59-173,753,355.20

Finding the Fourth Proportional to 197,646,815.61, 272,593,566.59 and 173,753,355.20

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Solution

The fourth proportional to 197,646,815.61, 272,593,566.59 and 173,753,355.20 is: 239,639,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,646,815.61 : 272,593,566.59 = 173,753,355.20 : x
  2. Step 2: Convert to fraction form
    197,646,815.61/272,593,566.59 = 173,753,355.20/x
  3. Step 3: Cross multiply
    197,646,815.61x = 272,593,566.59 × 173,753,355.20
  4. Step 4: Simplify right side
    197,646,815.61x = 47,364,046,798,715,384
  5. Step 5: Solve for x
    x = 47,364,046,798,715,384/197,646,815.61
  6. Step 6: Final answer
    x = 239,639,817.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.