Home / 194,320,007.92-291,531,061.60-69,835,205.26

Finding the Fourth Proportional to 194,320,007.92, 291,531,061.60 and 69,835,205.26

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Solution

The fourth proportional to 194,320,007.92, 291,531,061.60 and 69,835,205.26 is: 104,771,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,320,007.92 : 291,531,061.60 = 69,835,205.26 : x
  2. Step 2: Convert to fraction form
    194,320,007.92/291,531,061.60 = 69,835,205.26/x
  3. Step 3: Cross multiply
    194,320,007.92x = 291,531,061.60 × 69,835,205.26
  4. Step 4: Simplify right side
    194,320,007.92x = 20,359,131,526,501,708
  5. Step 5: Solve for x
    x = 20,359,131,526,501,708/194,320,007.92
  6. Step 6: Final answer
    x = 104,771,154.26

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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.