Home / 139,338,272.04-208,982,968.20-53,081,854.80

Finding the Fourth Proportional to 139,338,272.04, 208,982,968.20 and 53,081,854.80

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Solution

The fourth proportional to 139,338,272.04, 208,982,968.20 and 53,081,854.80 is: 79,613,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,338,272.04 : 208,982,968.20 = 53,081,854.80 : x
  2. Step 2: Convert to fraction form
    139,338,272.04/208,982,968.20 = 53,081,854.80/x
  3. Step 3: Cross multiply
    139,338,272.04x = 208,982,968.20 × 53,081,854.80
  4. Step 4: Simplify right side
    139,338,272.04x = 11,093,203,573,665,416
  5. Step 5: Solve for x
    x = 11,093,203,573,665,416/139,338,272.04
  6. Step 6: Final answer
    x = 79,613,471.67

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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.