Home / 57,574,917.55-86,377,519.93-20,690,533.79

Finding the Fourth Proportional to 57,574,917.55, 86,377,519.93 and 20,690,533.79

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Solution

The fourth proportional to 57,574,917.55, 86,377,519.93 and 20,690,533.79 is: 31,041,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,574,917.55 : 86,377,519.93 = 20,690,533.79 : x
  2. Step 2: Convert to fraction form
    57,574,917.55/86,377,519.93 = 20,690,533.79/x
  3. Step 3: Cross multiply
    57,574,917.55x = 86,377,519.93 × 20,690,533.79
  4. Step 4: Simplify right side
    57,574,917.55x = 1,787,196,994,272,723
  5. Step 5: Solve for x
    x = 1,787,196,994,272,723/57,574,917.55
  6. Step 6: Final answer
    x = 31,041,242.79

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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.