Home / 53,898,981.80-80,851,971.90-28,389,813.80

Finding the Fourth Proportional to 53,898,981.80, 80,851,971.90 and 28,389,813.80

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Solution

The fourth proportional to 53,898,981.80, 80,851,971.90 and 28,389,813.80 is: 42,586,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898,981.80 : 80,851,971.90 = 28,389,813.80 : x
  2. Step 2: Convert to fraction form
    53,898,981.80/80,851,971.90 = 28,389,813.80/x
  3. Step 3: Cross multiply
    53,898,981.80x = 80,851,971.90 × 28,389,813.80
  4. Step 4: Simplify right side
    53,898,981.80x = 2,295,372,427,603,832.50
  5. Step 5: Solve for x
    x = 2,295,372,427,603,832.50/53,898,981.80
  6. Step 6: Final answer
    x = 42,586,563.81

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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.