Home / 208,038,175.10-311,460,065.85-202,066,207.10

Finding the Fourth Proportional to 208,038,175.10, 311,460,065.85 and 202,066,207.10

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Solution

The fourth proportional to 208,038,175.10, 311,460,065.85 and 202,066,207.10 is: 302,519,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,038,175.10 : 311,460,065.85 = 202,066,207.10 : x
  2. Step 2: Convert to fraction form
    208,038,175.10/311,460,065.85 = 202,066,207.10/x
  3. Step 3: Cross multiply
    208,038,175.10x = 311,460,065.85 × 202,066,207.10
  4. Step 4: Simplify right side
    208,038,175.10x = 62,935,554,169,425,744
  5. Step 5: Solve for x
    x = 62,935,554,169,425,744/208,038,175.10
  6. Step 6: Final answer
    x = 302,519,257.05

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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.