Home / 39,379,904.40-59,123,000.70-31,302,001.20

Finding the Fourth Proportional to 39,379,904.40, 59,123,000.70 and 31,302,001.20

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Solution

The fourth proportional to 39,379,904.40, 59,123,000.70 and 31,302,001.20 is: 46,995,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,904.40 : 59,123,000.70 = 31,302,001.20 : x
  2. Step 2: Convert to fraction form
    39,379,904.40/59,123,000.70 = 31,302,001.20/x
  3. Step 3: Cross multiply
    39,379,904.40x = 59,123,000.70 × 31,302,001.20
  4. Step 4: Simplify right side
    39,379,904.40x = 1,850,668,238,859,001
  5. Step 5: Solve for x
    x = 1,850,668,238,859,001/39,379,904.40
  6. Step 6: Final answer
    x = 46,995,244.58

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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.