Home / 112,746,193.75-155,587,101.10-66,339,453.43

Finding the Fourth Proportional to 112,746,193.75, 155,587,101.10 and 66,339,453.43

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Solution

The fourth proportional to 112,746,193.75, 155,587,101.10 and 66,339,453.43 is: 91,546,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746,193.75 : 155,587,101.10 = 66,339,453.43 : x
  2. Step 2: Convert to fraction form
    112,746,193.75/155,587,101.10 = 66,339,453.43/x
  3. Step 3: Cross multiply
    112,746,193.75x = 155,587,101.10 × 66,339,453.43
  4. Step 4: Simplify right side
    112,746,193.75x = 10,321,563,247,732,152
  5. Step 5: Solve for x
    x = 10,321,563,247,732,152/112,746,193.75
  6. Step 6: Final answer
    x = 91,546,888.67

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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.