Home / 209,150,502.59-288,621,898.58-113,777,849.23

Finding the Fourth Proportional to 209,150,502.59, 288,621,898.58 and 113,777,849.23

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Solution

The fourth proportional to 209,150,502.59, 288,621,898.58 and 113,777,849.23 is: 157,010,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,150,502.59 : 288,621,898.58 = 113,777,849.23 : x
  2. Step 2: Convert to fraction form
    209,150,502.59/288,621,898.58 = 113,777,849.23/x
  3. Step 3: Cross multiply
    209,150,502.59x = 288,621,898.58 × 113,777,849.23
  4. Step 4: Simplify right side
    209,150,502.59x = 32,838,778,860,674,480
  5. Step 5: Solve for x
    x = 32,838,778,860,674,480/209,150,502.59
  6. Step 6: Final answer
    x = 157,010,279.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.