Home / 57,069,038.38-85,585,575.56-18,721,616.62

Finding the Fourth Proportional to 57,069,038.38, 85,585,575.56 and 18,721,616.62

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Solution

The fourth proportional to 57,069,038.38, 85,585,575.56 and 18,721,616.62 is: 28,076,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,038.38 : 85,585,575.56 = 18,721,616.62 : x
  2. Step 2: Convert to fraction form
    57,069,038.38/85,585,575.56 = 18,721,616.62/x
  3. Step 3: Cross multiply
    57,069,038.38x = 85,585,575.56 × 18,721,616.62
  4. Step 4: Simplify right side
    57,069,038.38x = 1,602,300,333,408,433.75
  5. Step 5: Solve for x
    x = 1,602,300,333,408,433.75/57,069,038.38
  6. Step 6: Final answer
    x = 28,076,525.89

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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.