Home / 208,482,553.52-287,705,812.68-114,397,318.40

Finding the Fourth Proportional to 208,482,553.52, 287,705,812.68 and 114,397,318.40

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Solution

The fourth proportional to 208,482,553.52, 287,705,812.68 and 114,397,318.40 is: 157,868,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,482,553.52 : 287,705,812.68 = 114,397,318.40 : x
  2. Step 2: Convert to fraction form
    208,482,553.52/287,705,812.68 = 114,397,318.40/x
  3. Step 3: Cross multiply
    208,482,553.52x = 287,705,812.68 × 114,397,318.40
  4. Step 4: Simplify right side
    208,482,553.52x = 32,912,773,458,684,720
  5. Step 5: Solve for x
    x = 32,912,773,458,684,720/208,482,553.52
  6. Step 6: Final answer
    x = 157,868,238.39

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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.