Home / 57,302,942.04-85,900,379.52-28,521,868.98

Finding the Fourth Proportional to 57,302,942.04, 85,900,379.52 and 28,521,868.98

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Solution

The fourth proportional to 57,302,942.04, 85,900,379.52 and 28,521,868.98 is: 42,755,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,302,942.04 : 85,900,379.52 = 28,521,868.98 : x
  2. Step 2: Convert to fraction form
    57,302,942.04/85,900,379.52 = 28,521,868.98/x
  3. Step 3: Cross multiply
    57,302,942.04x = 85,900,379.52 × 28,521,868.98
  4. Step 4: Simplify right side
    57,302,942.04x = 2,450,039,370,001,715
  5. Step 5: Solve for x
    x = 2,450,039,370,001,715/57,302,942.04
  6. Step 6: Final answer
    x = 42,755,908.91

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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.