Home / 70,185,933.18-105,238,376.25-21,650,755.05

Finding the Fourth Proportional to 70,185,933.18, 105,238,376.25 and 21,650,755.05

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Solution

The fourth proportional to 70,185,933.18, 105,238,376.25 and 21,650,755.05 is: 32,463,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,185,933.18 : 105,238,376.25 = 21,650,755.05 : x
  2. Step 2: Convert to fraction form
    70,185,933.18/105,238,376.25 = 21,650,755.05/x
  3. Step 3: Cross multiply
    70,185,933.18x = 105,238,376.25 × 21,650,755.05
  4. Step 4: Simplify right side
    70,185,933.18x = 2,278,490,306,048,487.50
  5. Step 5: Solve for x
    x = 2,278,490,306,048,487.50/70,185,933.18
  6. Step 6: Final answer
    x = 32,463,632.00

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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.