Home / 139,088,446.80-208,632,670.20-71,063,998.80

Finding the Fourth Proportional to 139,088,446.80, 208,632,670.20 and 71,063,998.80

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Solution

The fourth proportional to 139,088,446.80, 208,632,670.20 and 71,063,998.80 is: 106,595,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,088,446.80 : 208,632,670.20 = 71,063,998.80 : x
  2. Step 2: Convert to fraction form
    139,088,446.80/208,632,670.20 = 71,063,998.80/x
  3. Step 3: Cross multiply
    139,088,446.80x = 208,632,670.20 × 71,063,998.80
  4. Step 4: Simplify right side
    139,088,446.80x = 14,826,271,824,733,594
  5. Step 5: Solve for x
    x = 14,826,271,824,733,594/139,088,446.80
  6. Step 6: Final answer
    x = 106,595,998.20

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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.