Home / 146,808,220.20-219,909,584.70-86,039,759.40

Finding the Fourth Proportional to 146,808,220.20, 219,909,584.70 and 86,039,759.40

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Solution

The fourth proportional to 146,808,220.20, 219,909,584.70 and 86,039,759.40 is: 128,882,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,808,220.20 : 219,909,584.70 = 86,039,759.40 : x
  2. Step 2: Convert to fraction form
    146,808,220.20/219,909,584.70 = 86,039,759.40/x
  3. Step 3: Cross multiply
    146,808,220.20x = 219,909,584.70 × 86,039,759.40
  4. Step 4: Simplify right side
    146,808,220.20x = 18,920,967,757,341,920
  5. Step 5: Solve for x
    x = 18,920,967,757,341,920/146,808,220.20
  6. Step 6: Final answer
    x = 128,882,209.26

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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.