Home / 319,686,886.17-441,167,898.78-173,009,170.17

Finding the Fourth Proportional to 319,686,886.17, 441,167,898.78 and 173,009,170.17

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Solution

The fourth proportional to 319,686,886.17, 441,167,898.78 and 173,009,170.17 is: 238,752,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,686,886.17 : 441,167,898.78 = 173,009,170.17 : x
  2. Step 2: Convert to fraction form
    319,686,886.17/441,167,898.78 = 173,009,170.17/x
  3. Step 3: Cross multiply
    319,686,886.17x = 441,167,898.78 × 173,009,170.17
  4. Step 4: Simplify right side
    319,686,886.17x = 76,326,092,073,570,352
  5. Step 5: Solve for x
    x = 76,326,092,073,570,352/319,686,886.17
  6. Step 6: Final answer
    x = 238,752,652.60

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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.