Home / 57,990,405.28-80,051,126.16-39,155,533.60

Finding the Fourth Proportional to 57,990,405.28, 80,051,126.16 and 39,155,533.60

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Solution

The fourth proportional to 57,990,405.28, 80,051,126.16 and 39,155,533.60 is: 54,051,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990,405.28 : 80,051,126.16 = 39,155,533.60 : x
  2. Step 2: Convert to fraction form
    57,990,405.28/80,051,126.16 = 39,155,533.60/x
  3. Step 3: Cross multiply
    57,990,405.28x = 80,051,126.16 × 39,155,533.60
  4. Step 4: Simplify right side
    57,990,405.28x = 3,134,444,560,075,719
  5. Step 5: Solve for x
    x = 3,134,444,560,075,719/57,990,405.28
  6. Step 6: Final answer
    x = 54,051,089.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.