Home / 51,321,210.02-70,823,245.29-30,694,655.78

Finding the Fourth Proportional to 51,321,210.02, 70,823,245.29 and 30,694,655.78

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Solution

The fourth proportional to 51,321,210.02, 70,823,245.29 and 30,694,655.78 is: 42,358,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,321,210.02 : 70,823,245.29 = 30,694,655.78 : x
  2. Step 2: Convert to fraction form
    51,321,210.02/70,823,245.29 = 30,694,655.78/x
  3. Step 3: Cross multiply
    51,321,210.02x = 70,823,245.29 × 30,694,655.78
  4. Step 4: Simplify right side
    51,321,210.02x = 2,173,895,135,399,056.50
  5. Step 5: Solve for x
    x = 2,173,895,135,399,056.50/51,321,210.02
  6. Step 6: Final answer
    x = 42,358,610.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.