Home / 70,420,939.40-105,631,409.10-32,157,187.40

Finding the Fourth Proportional to 70,420,939.40, 105,631,409.10 and 32,157,187.40

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Solution

The fourth proportional to 70,420,939.40, 105,631,409.10 and 32,157,187.40 is: 48,235,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,420,939.40 : 105,631,409.10 = 32,157,187.40 : x
  2. Step 2: Convert to fraction form
    70,420,939.40/105,631,409.10 = 32,157,187.40/x
  3. Step 3: Cross multiply
    70,420,939.40x = 105,631,409.10 × 32,157,187.40
  4. Step 4: Simplify right side
    70,420,939.40x = 3,396,809,017,754,765
  5. Step 5: Solve for x
    x = 3,396,809,017,754,765/70,420,939.40
  6. Step 6: Final answer
    x = 48,235,781.10

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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.