Home / 61,783,518.49-85,255,619.79-36,661,298.01

Finding the Fourth Proportional to 61,783,518.49, 85,255,619.79 and 36,661,298.01

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Solution

The fourth proportional to 61,783,518.49, 85,255,619.79 and 36,661,298.01 is: 50,589,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,783,518.49 : 85,255,619.79 = 36,661,298.01 : x
  2. Step 2: Convert to fraction form
    61,783,518.49/85,255,619.79 = 36,661,298.01/x
  3. Step 3: Cross multiply
    61,783,518.49x = 85,255,619.79 × 36,661,298.01
  4. Step 4: Simplify right side
    61,783,518.49x = 3,125,581,684,148,443.50
  5. Step 5: Solve for x
    x = 3,125,581,684,148,443.50/61,783,518.49
  6. Step 6: Final answer
    x = 50,589,247.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.