Home / 155,690,606.21-214,857,521.66-86,080,481.15

Finding the Fourth Proportional to 155,690,606.21, 214,857,521.66 and 86,080,481.15

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Solution

The fourth proportional to 155,690,606.21, 214,857,521.66 and 86,080,481.15 is: 118,793,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,690,606.21 : 214,857,521.66 = 86,080,481.15 : x
  2. Step 2: Convert to fraction form
    155,690,606.21/214,857,521.66 = 86,080,481.15/x
  3. Step 3: Cross multiply
    155,690,606.21x = 214,857,521.66 × 86,080,481.15
  4. Step 4: Simplify right side
    155,690,606.21x = 18,495,038,842,330,260
  5. Step 5: Solve for x
    x = 18,495,038,842,330,260/155,690,606.21
  6. Step 6: Final answer
    x = 118,793,543.77

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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.