Home / 139,158,124.80-208,737,187.20-131,221,939.20

Finding the Fourth Proportional to 139,158,124.80, 208,737,187.20 and 131,221,939.20

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Solution

The fourth proportional to 139,158,124.80, 208,737,187.20 and 131,221,939.20 is: 196,832,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,158,124.80 : 208,737,187.20 = 131,221,939.20 : x
  2. Step 2: Convert to fraction form
    139,158,124.80/208,737,187.20 = 131,221,939.20/x
  3. Step 3: Cross multiply
    139,158,124.80x = 208,737,187.20 × 131,221,939.20
  4. Step 4: Simplify right side
    139,158,124.80x = 27,390,898,487,537,416
  5. Step 5: Solve for x
    x = 27,390,898,487,537,416/139,158,124.80
  6. Step 6: Final answer
    x = 196,832,908.80

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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.