Home / 319,686,905.76-441,167,925.69-173,009,189.76

Finding the Fourth Proportional to 319,686,905.76, 441,167,925.69 and 173,009,189.76

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Solution

The fourth proportional to 319,686,905.76, 441,167,925.69 and 173,009,189.76 is: 238,752,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,686,905.76 : 441,167,925.69 = 173,009,189.76 : x
  2. Step 2: Convert to fraction form
    319,686,905.76/441,167,925.69 = 173,009,189.76/x
  3. Step 3: Cross multiply
    319,686,905.76x = 441,167,925.69 × 173,009,189.76
  4. Step 4: Simplify right side
    319,686,905.76x = 76,326,105,371,726,784
  5. Step 5: Solve for x
    x = 76,326,105,371,726,784/319,686,905.76
  6. Step 6: Final answer
    x = 238,752,679.56

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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.