Home / 58,479,362.88-87,724,919.52-20,135,803.20

Finding the Fourth Proportional to 58,479,362.88, 87,724,919.52 and 20,135,803.20

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Solution

The fourth proportional to 58,479,362.88, 87,724,919.52 and 20,135,803.20 is: 30,205,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479,362.88 : 87,724,919.52 = 20,135,803.20 : x
  2. Step 2: Convert to fraction form
    58,479,362.88/87,724,919.52 = 20,135,803.20/x
  3. Step 3: Cross multiply
    58,479,362.88x = 87,724,919.52 × 20,135,803.20
  4. Step 4: Simplify right side
    58,479,362.88x = 1,766,411,715,190,558.25
  5. Step 5: Solve for x
    x = 1,766,411,715,190,558.25/58,479,362.88
  6. Step 6: Final answer
    x = 30,205,727.77

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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.