Home / 57,456,221.20-86,184,331.80-46,118,813.20

Finding the Fourth Proportional to 57,456,221.20, 86,184,331.80 and 46,118,813.20

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Solution

The fourth proportional to 57,456,221.20, 86,184,331.80 and 46,118,813.20 is: 69,178,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,456,221.20 : 86,184,331.80 = 46,118,813.20 : x
  2. Step 2: Convert to fraction form
    57,456,221.20/86,184,331.80 = 46,118,813.20/x
  3. Step 3: Cross multiply
    57,456,221.20x = 86,184,331.80 × 46,118,813.20
  4. Step 4: Simplify right side
    57,456,221.20x = 3,974,719,099,051,020
  5. Step 5: Solve for x
    x = 3,974,719,099,051,020/57,456,221.20
  6. Step 6: Final answer
    x = 69,178,219.80

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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.