Home / 209,698,817.16-314,548,059.78-56,344,873.80

Finding the Fourth Proportional to 209,698,817.16, 314,548,059.78 and 56,344,873.80

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Solution

The fourth proportional to 209,698,817.16, 314,548,059.78 and 56,344,873.80 is: 84,517,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,698,817.16 : 314,548,059.78 = 56,344,873.80 : x
  2. Step 2: Convert to fraction form
    209,698,817.16/314,548,059.78 = 56,344,873.80/x
  3. Step 3: Cross multiply
    209,698,817.16x = 314,548,059.78 × 56,344,873.80
  4. Step 4: Simplify right side
    209,698,817.16x = 17,723,170,732,338,954
  5. Step 5: Solve for x
    x = 17,723,170,732,338,954/209,698,817.16
  6. Step 6: Final answer
    x = 84,517,266.11

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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.