Home / 209,952,504.70-314,928,757.06-102,457,080.70

Finding the Fourth Proportional to 209,952,504.70, 314,928,757.06 and 102,457,080.70

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Solution

The fourth proportional to 209,952,504.70, 314,928,757.06 and 102,457,080.70 is: 153,685,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,504.70 : 314,928,757.06 = 102,457,080.70 : x
  2. Step 2: Convert to fraction form
    209,952,504.70/314,928,757.06 = 102,457,080.70/x
  3. Step 3: Cross multiply
    209,952,504.70x = 314,928,757.06 × 102,457,080.70
  4. Step 4: Simplify right side
    209,952,504.70x = 32,266,681,076,847,116
  5. Step 5: Solve for x
    x = 32,266,681,076,847,116/209,952,504.70
  6. Step 6: Final answer
    x = 153,685,621.05

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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.