Home / 52,029,580.65-78,038,295.87-20,903,977.83

Finding the Fourth Proportional to 52,029,580.65, 78,038,295.87 and 20,903,977.83

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Solution

The fourth proportional to 52,029,580.65, 78,038,295.87 and 20,903,977.83 is: 31,353,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,029,580.65 : 78,038,295.87 = 20,903,977.83 : x
  2. Step 2: Convert to fraction form
    52,029,580.65/78,038,295.87 = 20,903,977.83/x
  3. Step 3: Cross multiply
    52,029,580.65x = 78,038,295.87 × 20,903,977.83
  4. Step 4: Simplify right side
    52,029,580.65x = 1,631,310,807,128,494
  5. Step 5: Solve for x
    x = 1,631,310,807,128,494/52,029,580.65
  6. Step 6: Final answer
    x = 31,353,525.95

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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.