Home / 328,361,036.70-492,216,691.05-155,534,079.90

Finding the Fourth Proportional to 328,361,036.70, 492,216,691.05 and 155,534,079.90

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Solution

The fourth proportional to 328,361,036.70, 492,216,691.05 and 155,534,079.90 is: 233,147,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,361,036.70 : 492,216,691.05 = 155,534,079.90 : x
  2. Step 2: Convert to fraction form
    328,361,036.70/492,216,691.05 = 155,534,079.90/x
  3. Step 3: Cross multiply
    328,361,036.70x = 492,216,691.05 × 155,534,079.90
  4. Step 4: Simplify right side
    328,361,036.70x = 76,556,470,153,884,320
  5. Step 5: Solve for x
    x = 76,556,470,153,884,320/328,361,036.70
  6. Step 6: Final answer
    x = 233,147,242.20

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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.