Home / 57,444,090.20-86,208,125.70-40,437,978.20

Finding the Fourth Proportional to 57,444,090.20, 86,208,125.70 and 40,437,978.20

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Solution

The fourth proportional to 57,444,090.20, 86,208,125.70 and 40,437,978.20 is: 60,686,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,444,090.20 : 86,208,125.70 = 40,437,978.20 : x
  2. Step 2: Convert to fraction form
    57,444,090.20/86,208,125.70 = 40,437,978.20/x
  3. Step 3: Cross multiply
    57,444,090.20x = 86,208,125.70 × 40,437,978.20
  4. Step 4: Simplify right side
    57,444,090.20x = 3,486,082,307,719,460
  5. Step 5: Solve for x
    x = 3,486,082,307,719,460/57,444,090.20
  6. Step 6: Final answer
    x = 60,686,526.60

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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.