Home / 206,861,235,807.52-285,475,549,010.88-120,047,084,081.12

Finding the Fourth Proportional to 206,861,235,807.52, 285,475,549,010.88 and 120,047,084,081.12

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Solution

The fourth proportional to 206,861,235,807.52, 285,475,549,010.88 and 120,047,084,081.12 is: 165,669,063,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,861,235,807.52 : 285,475,549,010.88 = 120,047,084,081.12 : x
  2. Step 2: Convert to fraction form
    206,861,235,807.52/285,475,549,010.88 = 120,047,084,081.12/x
  3. Step 3: Cross multiply
    206,861,235,807.52x = 285,475,549,010.88 × 120,047,084,081.12
  4. Step 4: Simplify right side
    206,861,235,807.52x = 34,270,507,235,213,005,815,808
  5. Step 5: Solve for x
    x = 34,270,507,235,213,005,815,808/206,861,235,807.52
  6. Step 6: Final answer
    x = 165,669,063,618.58

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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.