Home / 123,326,008.60-170,176,160.92-68,308,087

Finding the Fourth Proportional to 123,326,008.60, 170,176,160.92 and 68,308,087

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Solution

The fourth proportional to 123,326,008.60, 170,176,160.92 and 68,308,087 is: 94,257,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,326,008.60 : 170,176,160.92 = 68,308,087 : x
  2. Step 2: Convert to fraction form
    123,326,008.60/170,176,160.92 = 68,308,087/x
  3. Step 3: Cross multiply
    123,326,008.60x = 170,176,160.92 × 68,308,087
  4. Step 4: Simplify right side
    123,326,008.60x = 11,624,408,005,449,360
  5. Step 5: Solve for x
    x = 11,624,408,005,449,360/123,326,008.60
  6. Step 6: Final answer
    x = 94,257,554.73

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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.