Home / 347,664,020.80-521,566,015.20-102,020,180.80

Finding the Fourth Proportional to 347,664,020.80, 521,566,015.20 and 102,020,180.80

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Solution

The fourth proportional to 347,664,020.80, 521,566,015.20 and 102,020,180.80 is: 153,050,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,664,020.80 : 521,566,015.20 = 102,020,180.80 : x
  2. Step 2: Convert to fraction form
    347,664,020.80/521,566,015.20 = 102,020,180.80/x
  3. Step 3: Cross multiply
    347,664,020.80x = 521,566,015.20 × 102,020,180.80
  4. Step 4: Simplify right side
    347,664,020.80x = 53,210,259,169,839,544
  5. Step 5: Solve for x
    x = 53,210,259,169,839,544/347,664,020.80
  6. Step 6: Final answer
    x = 153,050,807.64

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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.