Home / 125,631,416.60-188,453,029.80-39,372,637.40

Finding the Fourth Proportional to 125,631,416.60, 188,453,029.80 and 39,372,637.40

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Solution

The fourth proportional to 125,631,416.60, 188,453,029.80 and 39,372,637.40 is: 59,060,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,631,416.60 : 188,453,029.80 = 39,372,637.40 : x
  2. Step 2: Convert to fraction form
    125,631,416.60/188,453,029.80 = 39,372,637.40/x
  3. Step 3: Cross multiply
    125,631,416.60x = 188,453,029.80 × 39,372,637.40
  4. Step 4: Simplify right side
    125,631,416.60x = 7,419,892,809,246,795
  5. Step 5: Solve for x
    x = 7,419,892,809,246,795/125,631,416.60
  6. Step 6: Final answer
    x = 59,060,806.68

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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.