Home / 76,032,456.80-114,048,685.20-45,724,719.20

Finding the Fourth Proportional to 76,032,456.80, 114,048,685.20 and 45,724,719.20

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Solution

The fourth proportional to 76,032,456.80, 114,048,685.20 and 45,724,719.20 is: 68,587,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,456.80 : 114,048,685.20 = 45,724,719.20 : x
  2. Step 2: Convert to fraction form
    76,032,456.80/114,048,685.20 = 45,724,719.20/x
  3. Step 3: Cross multiply
    76,032,456.80x = 114,048,685.20 × 45,724,719.20
  4. Step 4: Simplify right side
    76,032,456.80x = 5,214,844,105,899,196
  5. Step 5: Solve for x
    x = 5,214,844,105,899,196/76,032,456.80
  6. Step 6: Final answer
    x = 68,587,078.80

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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.