Home / 187,148,696.40-280,741,804.20-64,310,835.60

Finding the Fourth Proportional to 187,148,696.40, 280,741,804.20 and 64,310,835.60

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Solution

The fourth proportional to 187,148,696.40, 280,741,804.20 and 64,310,835.60 is: 96,472,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,148,696.40 : 280,741,804.20 = 64,310,835.60 : x
  2. Step 2: Convert to fraction form
    187,148,696.40/280,741,804.20 = 64,310,835.60/x
  3. Step 3: Cross multiply
    187,148,696.40x = 280,741,804.20 × 64,310,835.60
  4. Step 4: Simplify right side
    187,148,696.40x = 18,054,740,015,953,588
  5. Step 5: Solve for x
    x = 18,054,740,015,953,588/187,148,696.40
  6. Step 6: Final answer
    x = 96,472,699.85

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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.