Home / 164,880,007.20-247,320,010.80-57,185,517.60

Finding the Fourth Proportional to 164,880,007.20, 247,320,010.80 and 57,185,517.60

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Solution

The fourth proportional to 164,880,007.20, 247,320,010.80 and 57,185,517.60 is: 85,778,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,880,007.20 : 247,320,010.80 = 57,185,517.60 : x
  2. Step 2: Convert to fraction form
    164,880,007.20/247,320,010.80 = 57,185,517.60/x
  3. Step 3: Cross multiply
    164,880,007.20x = 247,320,010.80 × 57,185,517.60
  4. Step 4: Simplify right side
    164,880,007.20x = 14,143,122,830,435,592
  5. Step 5: Solve for x
    x = 14,143,122,830,435,592/164,880,007.20
  6. Step 6: Final answer
    x = 85,778,276.40

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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.