Home / 209,544,180.80-314,457,988.80-117,427,740.80

Finding the Fourth Proportional to 209,544,180.80, 314,457,988.80 and 117,427,740.80

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Solution

The fourth proportional to 209,544,180.80, 314,457,988.80 and 117,427,740.80 is: 176,221,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,544,180.80 : 314,457,988.80 = 117,427,740.80 : x
  2. Step 2: Convert to fraction form
    209,544,180.80/314,457,988.80 = 117,427,740.80/x
  3. Step 3: Cross multiply
    209,544,180.80x = 314,457,988.80 × 117,427,740.80
  4. Step 4: Simplify right side
    209,544,180.80x = 36,926,091,201,295,704
  5. Step 5: Solve for x
    x = 36,926,091,201,295,704/209,544,180.80
  6. Step 6: Final answer
    x = 176,221,029.19

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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.