Home / 133,176,007.20-199,764,010.80-42,308,781.60

Finding the Fourth Proportional to 133,176,007.20, 199,764,010.80 and 42,308,781.60

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Solution

The fourth proportional to 133,176,007.20, 199,764,010.80 and 42,308,781.60 is: 63,463,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,176,007.20 : 199,764,010.80 = 42,308,781.60 : x
  2. Step 2: Convert to fraction form
    133,176,007.20/199,764,010.80 = 42,308,781.60/x
  3. Step 3: Cross multiply
    133,176,007.20x = 199,764,010.80 × 42,308,781.60
  4. Step 4: Simplify right side
    133,176,007.20x = 8,451,771,904,477,242
  5. Step 5: Solve for x
    x = 8,451,771,904,477,242/133,176,007.20
  6. Step 6: Final answer
    x = 63,463,172.40

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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.