Home / 209,771,739.80-289,486,213.98-116,958,025.88

Finding the Fourth Proportional to 209,771,739.80, 289,486,213.98 and 116,958,025.88

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Solution

The fourth proportional to 209,771,739.80, 289,486,213.98 and 116,958,025.88 is: 161,402,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,771,739.80 : 289,486,213.98 = 116,958,025.88 : x
  2. Step 2: Convert to fraction form
    209,771,739.80/289,486,213.98 = 116,958,025.88/x
  3. Step 3: Cross multiply
    209,771,739.80x = 289,486,213.98 × 116,958,025.88
  4. Step 4: Simplify right side
    209,771,739.80x = 33,857,736,106,576,060
  5. Step 5: Solve for x
    x = 33,857,736,106,576,060/209,771,739.80
  6. Step 6: Final answer
    x = 161,402,752.05

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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.