Home / 101,376,003.40-152,064,005.10-82,265,705.80

Finding the Fourth Proportional to 101,376,003.40, 152,064,005.10 and 82,265,705.80

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Solution

The fourth proportional to 101,376,003.40, 152,064,005.10 and 82,265,705.80 is: 123,398,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376,003.40 : 152,064,005.10 = 82,265,705.80 : x
  2. Step 2: Convert to fraction form
    101,376,003.40/152,064,005.10 = 82,265,705.80/x
  3. Step 3: Cross multiply
    101,376,003.40x = 152,064,005.10 × 82,265,705.80
  4. Step 4: Simplify right side
    101,376,003.40x = 12,509,652,706,326,298
  5. Step 5: Solve for x
    x = 12,509,652,706,326,298/101,376,003.40
  6. Step 6: Final answer
    x = 123,398,558.70

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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.