Home / 125,625,709.40-188,438,564.10-65,060,000.60

Finding the Fourth Proportional to 125,625,709.40, 188,438,564.10 and 65,060,000.60

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Solution

The fourth proportional to 125,625,709.40, 188,438,564.10 and 65,060,000.60 is: 97,590,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,625,709.40 : 188,438,564.10 = 65,060,000.60 : x
  2. Step 2: Convert to fraction form
    125,625,709.40/188,438,564.10 = 65,060,000.60/x
  3. Step 3: Cross multiply
    125,625,709.40x = 188,438,564.10 × 65,060,000.60
  4. Step 4: Simplify right side
    125,625,709.40x = 12,259,813,093,409,138
  5. Step 5: Solve for x
    x = 12,259,813,093,409,138/125,625,709.40
  6. Step 6: Final answer
    x = 97,590,000.90

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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.