Home / 212,365,152,076.20-318,547,728,114.30-86,527,150,873.80

Finding the Fourth Proportional to 212,365,152,076.20, 318,547,728,114.30 and 86,527,150,873.80

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Solution

The fourth proportional to 212,365,152,076.20, 318,547,728,114.30 and 86,527,150,873.80 is: 129,790,726,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,365,152,076.20 : 318,547,728,114.30 = 86,527,150,873.80 : x
  2. Step 2: Convert to fraction form
    212,365,152,076.20/318,547,728,114.30 = 86,527,150,873.80/x
  3. Step 3: Cross multiply
    212,365,152,076.20x = 318,547,728,114.30 × 86,527,150,873.80
  4. Step 4: Simplify right side
    212,365,152,076.20x = 27,563,027,331,052,258,459,648
  5. Step 5: Solve for x
    x = 27,563,027,331,052,258,459,648/212,365,152,076.20
  6. Step 6: Final answer
    x = 129,790,726,310.70

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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.