Home / 218,482,746.60-327,724,119.90-89,019,782.40

Finding the Fourth Proportional to 218,482,746.60, 327,724,119.90 and 89,019,782.40

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Solution

The fourth proportional to 218,482,746.60, 327,724,119.90 and 89,019,782.40 is: 133,529,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,482,746.60 : 327,724,119.90 = 89,019,782.40 : x
  2. Step 2: Convert to fraction form
    218,482,746.60/327,724,119.90 = 89,019,782.40/x
  3. Step 3: Cross multiply
    218,482,746.60x = 327,724,119.90 × 89,019,782.40
  4. Step 4: Simplify right side
    218,482,746.60x = 29,173,929,840,729,508
  5. Step 5: Solve for x
    x = 29,173,929,840,729,508/218,482,746.60
  6. Step 6: Final answer
    x = 133,529,673.60

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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.