Home / 53,587,702.02-80,359,916.31-20,780,997.78

Finding the Fourth Proportional to 53,587,702.02, 80,359,916.31 and 20,780,997.78

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Solution

The fourth proportional to 53,587,702.02, 80,359,916.31 and 20,780,997.78 is: 31,163,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,587,702.02 : 80,359,916.31 = 20,780,997.78 : x
  2. Step 2: Convert to fraction form
    53,587,702.02/80,359,916.31 = 20,780,997.78/x
  3. Step 3: Cross multiply
    53,587,702.02x = 80,359,916.31 × 20,780,997.78
  4. Step 4: Simplify right side
    53,587,702.02x = 1,669,959,242,439,096
  5. Step 5: Solve for x
    x = 1,669,959,242,439,096/53,587,702.02
  6. Step 6: Final answer
    x = 31,163,106.08

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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.