Home / 139,104,042.80-208,656,064.20-88,043,716.40

Finding the Fourth Proportional to 139,104,042.80, 208,656,064.20 and 88,043,716.40

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Solution

The fourth proportional to 139,104,042.80, 208,656,064.20 and 88,043,716.40 is: 132,065,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,104,042.80 : 208,656,064.20 = 88,043,716.40 : x
  2. Step 2: Convert to fraction form
    139,104,042.80/208,656,064.20 = 88,043,716.40/x
  3. Step 3: Cross multiply
    139,104,042.80x = 208,656,064.20 × 88,043,716.40
  4. Step 4: Simplify right side
    139,104,042.80x = 18,370,855,341,564,992
  5. Step 5: Solve for x
    x = 18,370,855,341,564,992/139,104,042.80
  6. Step 6: Final answer
    x = 132,065,574.60

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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.