Home / 193,346,902.83-290,017,514.56-47,780,460.30

Finding the Fourth Proportional to 193,346,902.83, 290,017,514.56 and 47,780,460.30

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Solution

The fourth proportional to 193,346,902.83, 290,017,514.56 and 47,780,460.30 is: 71,669,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,346,902.83 : 290,017,514.56 = 47,780,460.30 : x
  2. Step 2: Convert to fraction form
    193,346,902.83/290,017,514.56 = 47,780,460.30/x
  3. Step 3: Cross multiply
    193,346,902.83x = 290,017,514.56 × 47,780,460.30
  4. Step 4: Simplify right side
    193,346,902.83x = 13,857,170,340,779,532
  5. Step 5: Solve for x
    x = 13,857,170,340,779,532/193,346,902.83
  6. Step 6: Final answer
    x = 71,669,988.70

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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.