Home / 208,781,709.40-313,172,564.10-175,525,312.60

Finding the Fourth Proportional to 208,781,709.40, 313,172,564.10 and 175,525,312.60

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Solution

The fourth proportional to 208,781,709.40, 313,172,564.10 and 175,525,312.60 is: 263,287,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,781,709.40 : 313,172,564.10 = 175,525,312.60 : x
  2. Step 2: Convert to fraction form
    208,781,709.40/313,172,564.10 = 175,525,312.60/x
  3. Step 3: Cross multiply
    208,781,709.40x = 313,172,564.10 × 175,525,312.60
  4. Step 4: Simplify right side
    208,781,709.40x = 54,969,712,211,396,040
  5. Step 5: Solve for x
    x = 54,969,712,211,396,040/208,781,709.40
  6. Step 6: Final answer
    x = 263,287,968.90

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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.