Home / 193,488,456.96-290,230,884-78,445,653.84

Finding the Fourth Proportional to 193,488,456.96, 290,230,884 and 78,445,653.84

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Solution

The fourth proportional to 193,488,456.96, 290,230,884 and 78,445,653.84 is: 117,667,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,488,456.96 : 290,230,884 = 78,445,653.84 : x
  2. Step 2: Convert to fraction form
    193,488,456.96/290,230,884 = 78,445,653.84/x
  3. Step 3: Cross multiply
    193,488,456.96x = 290,230,884 × 78,445,653.84
  4. Step 4: Simplify right side
    193,488,456.96x = 22,767,351,459,941,196
  5. Step 5: Solve for x
    x = 22,767,351,459,941,196/193,488,456.96
  6. Step 6: Final answer
    x = 117,667,750.41

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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.