Home / 283,458,488.08-391,172,710.34-153,078,296.08

Finding the Fourth Proportional to 283,458,488.08, 391,172,710.34 and 153,078,296.08

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Solution

The fourth proportional to 283,458,488.08, 391,172,710.34 and 153,078,296.08 is: 211,248,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,488.08 : 391,172,710.34 = 153,078,296.08 : x
  2. Step 2: Convert to fraction form
    283,458,488.08/391,172,710.34 = 153,078,296.08/x
  3. Step 3: Cross multiply
    283,458,488.08x = 391,172,710.34 × 153,078,296.08
  4. Step 4: Simplify right side
    283,458,488.08x = 59,880,051,971,842,600
  5. Step 5: Solve for x
    x = 59,880,051,971,842,600/283,458,488.08
  6. Step 6: Final answer
    x = 211,248,046.86

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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.