Home / 287,475,150.60-431,212,725.90-184,163,020.20

Finding the Fourth Proportional to 287,475,150.60, 431,212,725.90 and 184,163,020.20

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Solution

The fourth proportional to 287,475,150.60, 431,212,725.90 and 184,163,020.20 is: 276,244,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,475,150.60 : 431,212,725.90 = 184,163,020.20 : x
  2. Step 2: Convert to fraction form
    287,475,150.60/431,212,725.90 = 184,163,020.20/x
  3. Step 3: Cross multiply
    287,475,150.60x = 431,212,725.90 × 184,163,020.20
  4. Step 4: Simplify right side
    287,475,150.60x = 79,413,437,950,418,752
  5. Step 5: Solve for x
    x = 79,413,437,950,418,752/287,475,150.60
  6. Step 6: Final answer
    x = 276,244,530.30

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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.