Home / 139,608,385.04-209,426,913.28-53,419,283.60

Finding the Fourth Proportional to 139,608,385.04, 209,426,913.28 and 53,419,283.60

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Solution

The fourth proportional to 139,608,385.04, 209,426,913.28 and 53,419,283.60 is: 80,134,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,608,385.04 : 209,426,913.28 = 53,419,283.60 : x
  2. Step 2: Convert to fraction form
    139,608,385.04/209,426,913.28 = 53,419,283.60/x
  3. Step 3: Cross multiply
    139,608,385.04x = 209,426,913.28 × 53,419,283.60
  4. Step 4: Simplify right side
    139,608,385.04x = 11,187,435,673,976,926
  5. Step 5: Solve for x
    x = 11,187,435,673,976,926/139,608,385.04
  6. Step 6: Final answer
    x = 80,134,410.77

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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.