Home / 55,483,076.76-76,566,771.90-30,705,066.60

Finding the Fourth Proportional to 55,483,076.76, 76,566,771.90 and 30,705,066.60

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Solution

The fourth proportional to 55,483,076.76, 76,566,771.90 and 30,705,066.60 is: 42,373,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,483,076.76 : 76,566,771.90 = 30,705,066.60 : x
  2. Step 2: Convert to fraction form
    55,483,076.76/76,566,771.90 = 30,705,066.60/x
  3. Step 3: Cross multiply
    55,483,076.76x = 76,566,771.90 × 30,705,066.60
  4. Step 4: Simplify right side
    55,483,076.76x = 2,350,987,830,536,509
  5. Step 5: Solve for x
    x = 2,350,987,830,536,509/55,483,076.76
  6. Step 6: Final answer
    x = 42,373,061.62

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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.