Home / 66,555,178.12-99,766,632.30-46,317,904.84

Finding the Fourth Proportional to 66,555,178.12, 99,766,632.30 and 46,317,904.84

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Solution

The fourth proportional to 66,555,178.12, 99,766,632.30 and 46,317,904.84 is: 69,430,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555,178.12 : 99,766,632.30 = 46,317,904.84 : x
  2. Step 2: Convert to fraction form
    66,555,178.12/99,766,632.30 = 46,317,904.84/x
  3. Step 3: Cross multiply
    66,555,178.12x = 99,766,632.30 × 46,317,904.84
  4. Step 4: Simplify right side
    66,555,178.12x = 4,620,981,381,078,671
  5. Step 5: Solve for x
    x = 4,620,981,381,078,671/66,555,178.12
  6. Step 6: Final answer
    x = 69,430,831.85

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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.