Home / 142,015,000.60-213,022,500.90-90,996,664.60

Finding the Fourth Proportional to 142,015,000.60, 213,022,500.90 and 90,996,664.60

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Solution

The fourth proportional to 142,015,000.60, 213,022,500.90 and 90,996,664.60 is: 136,494,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,015,000.60 : 213,022,500.90 = 90,996,664.60 : x
  2. Step 2: Convert to fraction form
    142,015,000.60/213,022,500.90 = 90,996,664.60/x
  3. Step 3: Cross multiply
    142,015,000.60x = 213,022,500.90 × 90,996,664.60
  4. Step 4: Simplify right side
    142,015,000.60x = 19,384,337,066,650,496
  5. Step 5: Solve for x
    x = 19,384,337,066,650,496/142,015,000.60
  6. Step 6: Final answer
    x = 136,494,996.90

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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.