Home / 90,298,829.96-124,610,265.80-53,131,517.60

Finding the Fourth Proportional to 90,298,829.96, 124,610,265.80 and 53,131,517.60

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Solution

The fourth proportional to 90,298,829.96, 124,610,265.80 and 53,131,517.60 is: 73,320,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,298,829.96 : 124,610,265.80 = 53,131,517.60 : x
  2. Step 2: Convert to fraction form
    90,298,829.96/124,610,265.80 = 53,131,517.60/x
  3. Step 3: Cross multiply
    90,298,829.96x = 124,610,265.80 × 53,131,517.60
  4. Step 4: Simplify right side
    90,298,829.96x = 6,620,732,529,604,669
  5. Step 5: Solve for x
    x = 6,620,732,529,604,669/90,298,829.96
  6. Step 6: Final answer
    x = 73,320,247.15

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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.