Home / 52,455,111.20-78,682,666.80-50,187,629.60

Finding the Fourth Proportional to 52,455,111.20, 78,682,666.80 and 50,187,629.60

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Solution

The fourth proportional to 52,455,111.20, 78,682,666.80 and 50,187,629.60 is: 75,281,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455,111.20 : 78,682,666.80 = 50,187,629.60 : x
  2. Step 2: Convert to fraction form
    52,455,111.20/78,682,666.80 = 50,187,629.60/x
  3. Step 3: Cross multiply
    52,455,111.20x = 78,682,666.80 × 50,187,629.60
  4. Step 4: Simplify right side
    52,455,111.20x = 3,948,896,537,298,617
  5. Step 5: Solve for x
    x = 3,948,896,537,298,617/52,455,111.20
  6. Step 6: Final answer
    x = 75,281,444.40

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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.