Home / 79,941,520.80-119,752,848.90-45,823,008.60

Finding the Fourth Proportional to 79,941,520.80, 119,752,848.90 and 45,823,008.60

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Solution

The fourth proportional to 79,941,520.80, 119,752,848.90 and 45,823,008.60 is: 68,643,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,941,520.80 : 119,752,848.90 = 45,823,008.60 : x
  2. Step 2: Convert to fraction form
    79,941,520.80/119,752,848.90 = 45,823,008.60/x
  3. Step 3: Cross multiply
    79,941,520.80x = 119,752,848.90 × 45,823,008.60
  4. Step 4: Simplify right side
    79,941,520.80x = 5,487,435,825,019,201
  5. Step 5: Solve for x
    x = 5,487,435,825,019,201/79,941,520.80
  6. Step 6: Final answer
    x = 68,643,125.25

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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.