Home / 99,848,882.20-149,773,323.30-83,724,568.60

Finding the Fourth Proportional to 99,848,882.20, 149,773,323.30 and 83,724,568.60

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Solution

The fourth proportional to 99,848,882.20, 149,773,323.30 and 83,724,568.60 is: 125,586,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,848,882.20 : 149,773,323.30 = 83,724,568.60 : x
  2. Step 2: Convert to fraction form
    99,848,882.20/149,773,323.30 = 83,724,568.60/x
  3. Step 3: Cross multiply
    99,848,882.20x = 149,773,323.30 × 83,724,568.60
  4. Step 4: Simplify right side
    99,848,882.20x = 12,539,706,881,080,828
  5. Step 5: Solve for x
    x = 12,539,706,881,080,828/99,848,882.20
  6. Step 6: Final answer
    x = 125,586,852.90

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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.