Home / 283,458,500.52-391,172,727.54-153,078,308.52

Finding the Fourth Proportional to 283,458,500.52, 391,172,727.54 and 153,078,308.52

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Solution

The fourth proportional to 283,458,500.52, 391,172,727.54 and 153,078,308.52 is: 211,248,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,500.52 : 391,172,727.54 = 153,078,308.52 : x
  2. Step 2: Convert to fraction form
    283,458,500.52/391,172,727.54 = 153,078,308.52/x
  3. Step 3: Cross multiply
    283,458,500.52x = 391,172,727.54 × 153,078,308.52
  4. Step 4: Simplify right side
    283,458,500.52x = 59,880,059,470,978,032
  5. Step 5: Solve for x
    x = 59,880,059,470,978,032/283,458,500.52
  6. Step 6: Final answer
    x = 211,248,064.04

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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.