Home / 139,872,283.24-209,792,285.34-37,628,285.80

Finding the Fourth Proportional to 139,872,283.24, 209,792,285.34 and 37,628,285.80

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Solution

The fourth proportional to 139,872,283.24, 209,792,285.34 and 37,628,285.80 is: 56,438,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,872,283.24 : 209,792,285.34 = 37,628,285.80 : x
  2. Step 2: Convert to fraction form
    139,872,283.24/209,792,285.34 = 37,628,285.80/x
  3. Step 3: Cross multiply
    139,872,283.24x = 209,792,285.34 × 37,628,285.80
  4. Step 4: Simplify right side
    139,872,283.24x = 7,894,124,071,408,670
  5. Step 5: Solve for x
    x = 7,894,124,071,408,670/139,872,283.24
  6. Step 6: Final answer
    x = 56,438,086.86

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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.