Home / 206,406,320.67-284,837,038.29-112,317,258.87

Finding the Fourth Proportional to 206,406,320.67, 284,837,038.29 and 112,317,258.87

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Solution

The fourth proportional to 206,406,320.67, 284,837,038.29 and 112,317,258.87 is: 154,995,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,406,320.67 : 284,837,038.29 = 112,317,258.87 : x
  2. Step 2: Convert to fraction form
    206,406,320.67/284,837,038.29 = 112,317,258.87/x
  3. Step 3: Cross multiply
    206,406,320.67x = 284,837,038.29 × 112,317,258.87
  4. Step 4: Simplify right side
    206,406,320.67x = 31,992,115,365,382,036
  5. Step 5: Solve for x
    x = 31,992,115,365,382,036/206,406,320.67
  6. Step 6: Final answer
    x = 154,995,812.44

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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.