Home / 99,874,313.70-149,811,470.55-28,070,729.70

Finding the Fourth Proportional to 99,874,313.70, 149,811,470.55 and 28,070,729.70

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Solution

The fourth proportional to 99,874,313.70, 149,811,470.55 and 28,070,729.70 is: 42,106,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,874,313.70 : 149,811,470.55 = 28,070,729.70 : x
  2. Step 2: Convert to fraction form
    99,874,313.70/149,811,470.55 = 28,070,729.70/x
  3. Step 3: Cross multiply
    99,874,313.70x = 149,811,470.55 × 28,070,729.70
  4. Step 4: Simplify right side
    99,874,313.70x = 4,205,317,295,768,560.50
  5. Step 5: Solve for x
    x = 4,205,317,295,768,560.50/99,874,313.70
  6. Step 6: Final answer
    x = 42,106,094.55

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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.