Home / 190,439,565.60-285,659,348.40-99,591,002.40

Finding the Fourth Proportional to 190,439,565.60, 285,659,348.40 and 99,591,002.40

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Solution

The fourth proportional to 190,439,565.60, 285,659,348.40 and 99,591,002.40 is: 149,386,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,439,565.60 : 285,659,348.40 = 99,591,002.40 : x
  2. Step 2: Convert to fraction form
    190,439,565.60/285,659,348.40 = 99,591,002.40/x
  3. Step 3: Cross multiply
    190,439,565.60x = 285,659,348.40 × 99,591,002.40
  4. Step 4: Simplify right side
    190,439,565.60x = 28,449,100,852,086,836
  5. Step 5: Solve for x
    x = 28,449,100,852,086,836/190,439,565.60
  6. Step 6: Final answer
    x = 149,386,503.60

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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.