Home / 209,546,279.80-314,461,137.30-117,429,839.80

Finding the Fourth Proportional to 209,546,279.80, 314,461,137.30 and 117,429,839.80

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Solution

The fourth proportional to 209,546,279.80, 314,461,137.30 and 117,429,839.80 is: 176,224,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,546,279.80 : 314,461,137.30 = 117,429,839.80 : x
  2. Step 2: Convert to fraction form
    209,546,279.80/314,461,137.30 = 117,429,839.80/x
  3. Step 3: Cross multiply
    209,546,279.80x = 314,461,137.30 × 117,429,839.80
  4. Step 4: Simplify right side
    209,546,279.80x = 36,927,120,976,464,808
  5. Step 5: Solve for x
    x = 36,927,120,976,464,808/209,546,279.80
  6. Step 6: Final answer
    x = 176,224,178.31

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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.