Home / 125,525,343.40-173,058,561.60-103,114,145.68

Finding the Fourth Proportional to 125,525,343.40, 173,058,561.60 and 103,114,145.68

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Solution

The fourth proportional to 125,525,343.40, 173,058,561.60 and 103,114,145.68 is: 142,160,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,525,343.40 : 173,058,561.60 = 103,114,145.68 : x
  2. Step 2: Convert to fraction form
    125,525,343.40/173,058,561.60 = 103,114,145.68/x
  3. Step 3: Cross multiply
    125,525,343.40x = 173,058,561.60 × 103,114,145.68
  4. Step 4: Simplify right side
    125,525,343.40x = 17,844,785,731,993,654
  5. Step 5: Solve for x
    x = 17,844,785,731,993,654/125,525,343.40
  6. Step 6: Final answer
    x = 142,160,819.87

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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.