Home / 80,635,530.80-120,953,296.20-48,386,903.60

Finding the Fourth Proportional to 80,635,530.80, 120,953,296.20 and 48,386,903.60

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Solution

The fourth proportional to 80,635,530.80, 120,953,296.20 and 48,386,903.60 is: 72,580,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,635,530.80 : 120,953,296.20 = 48,386,903.60 : x
  2. Step 2: Convert to fraction form
    80,635,530.80/120,953,296.20 = 48,386,903.60/x
  3. Step 3: Cross multiply
    80,635,530.80x = 120,953,296.20 × 48,386,903.60
  4. Step 4: Simplify right side
    80,635,530.80x = 5,852,555,483,331,647
  5. Step 5: Solve for x
    x = 5,852,555,483,331,647/80,635,530.80
  6. Step 6: Final answer
    x = 72,580,355.40

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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.