Home / 173,839,928.40-260,759,892.60-145,779,843.60

Finding the Fourth Proportional to 173,839,928.40, 260,759,892.60 and 145,779,843.60

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Solution

The fourth proportional to 173,839,928.40, 260,759,892.60 and 145,779,843.60 is: 218,669,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,839,928.40 : 260,759,892.60 = 145,779,843.60 : x
  2. Step 2: Convert to fraction form
    173,839,928.40/260,759,892.60 = 145,779,843.60/x
  3. Step 3: Cross multiply
    173,839,928.40x = 260,759,892.60 × 145,779,843.60
  4. Step 4: Simplify right side
    173,839,928.40x = 38,013,536,360,380,792
  5. Step 5: Solve for x
    x = 38,013,536,360,380,792/173,839,928.40
  6. Step 6: Final answer
    x = 218,669,765.40

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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.