Home / 42,768,016.70-64,152,025.05-14,015,090.30

Finding the Fourth Proportional to 42,768,016.70, 64,152,025.05 and 14,015,090.30

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Solution

The fourth proportional to 42,768,016.70, 64,152,025.05 and 14,015,090.30 is: 21,022,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,016.70 : 64,152,025.05 = 14,015,090.30 : x
  2. Step 2: Convert to fraction form
    42,768,016.70/64,152,025.05 = 14,015,090.30/x
  3. Step 3: Cross multiply
    42,768,016.70x = 64,152,025.05 × 14,015,090.30
  4. Step 4: Simplify right side
    42,768,016.70x = 899,096,424,003,612
  5. Step 5: Solve for x
    x = 899,096,424,003,612/42,768,016.70
  6. Step 6: Final answer
    x = 21,022,635.45

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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.