Home / 103,581,689-155,379,998.46-39,756,281

Finding the Fourth Proportional to 103,581,689, 155,379,998.46 and 39,756,281

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Solution

The fourth proportional to 103,581,689, 155,379,998.46 and 39,756,281 is: 59,637,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,581,689 : 155,379,998.46 = 39,756,281 : x
  2. Step 2: Convert to fraction form
    103,581,689/155,379,998.46 = 39,756,281/x
  3. Step 3: Cross multiply
    103,581,689x = 155,379,998.46 × 39,756,281
  4. Step 4: Simplify right side
    103,581,689x = 6,177,330,880,555,328
  5. Step 5: Solve for x
    x = 6,177,330,880,555,328/103,581,689
  6. Step 6: Final answer
    x = 59,637,286.67

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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.