Home / 53,898,830.80-80,848,246.20-19,813,123.60

Finding the Fourth Proportional to 53,898,830.80, 80,848,246.20 and 19,813,123.60

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Solution

The fourth proportional to 53,898,830.80, 80,848,246.20 and 19,813,123.60 is: 29,719,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898,830.80 : 80,848,246.20 = 19,813,123.60 : x
  2. Step 2: Convert to fraction form
    53,898,830.80/80,848,246.20 = 19,813,123.60/x
  3. Step 3: Cross multiply
    53,898,830.80x = 80,848,246.20 × 19,813,123.60
  4. Step 4: Simplify right side
    53,898,830.80x = 1,601,856,294,803,830.50
  5. Step 5: Solve for x
    x = 1,601,856,294,803,830.50/53,898,830.80
  6. Step 6: Final answer
    x = 29,719,685.40

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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.