Home / 81,850,623.20-122,775,934.80-49,565,582.45

Finding the Fourth Proportional to 81,850,623.20, 122,775,934.80 and 49,565,582.45

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Solution

The fourth proportional to 81,850,623.20, 122,775,934.80 and 49,565,582.45 is: 74,348,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,850,623.20 : 122,775,934.80 = 49,565,582.45 : x
  2. Step 2: Convert to fraction form
    81,850,623.20/122,775,934.80 = 49,565,582.45/x
  3. Step 3: Cross multiply
    81,850,623.20x = 122,775,934.80 × 49,565,582.45
  4. Step 4: Simplify right side
    81,850,623.20x = 6,085,460,719,205,224
  5. Step 5: Solve for x
    x = 6,085,460,719,205,224/81,850,623.20
  6. Step 6: Final answer
    x = 74,348,373.68

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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.