Home / 99,346,345,149.60-149,019,517,724.40-79,755,304,125.60

Finding the Fourth Proportional to 99,346,345,149.60, 149,019,517,724.40 and 79,755,304,125.60

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Solution

The fourth proportional to 99,346,345,149.60, 149,019,517,724.40 and 79,755,304,125.60 is: 119,632,956,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,346,345,149.60 : 149,019,517,724.40 = 79,755,304,125.60 : x
  2. Step 2: Convert to fraction form
    99,346,345,149.60/149,019,517,724.40 = 79,755,304,125.60/x
  3. Step 3: Cross multiply
    99,346,345,149.60x = 149,019,517,724.40 × 79,755,304,125.60
  4. Step 4: Simplify right side
    99,346,345,149.60x = 11,885,096,956,759,761,747,968
  5. Step 5: Solve for x
    x = 11,885,096,956,759,761,747,968/99,346,345,149.60
  6. Step 6: Final answer
    x = 119,632,956,188.40

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1.5x scale

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.