Home / 66,190,138,813.40-99,284,553,931.95-30,324,722,563.85

Finding the Fourth Proportional to 66,190,138,813.40, 99,284,553,931.95 and 30,324,722,563.85

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Solution

The fourth proportional to 66,190,138,813.40, 99,284,553,931.95 and 30,324,722,563.85 is: 45,486,784,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,190,138,813.40 : 99,284,553,931.95 = 30,324,722,563.85 : x
  2. Step 2: Convert to fraction form
    66,190,138,813.40/99,284,553,931.95 = 30,324,722,563.85/x
  3. Step 3: Cross multiply
    66,190,138,813.40x = 99,284,553,931.95 × 30,324,722,563.85
  4. Step 4: Simplify right side
    66,190,138,813.40x = 3,010,776,552,861,490,216,960
  5. Step 5: Solve for x
    x = 3,010,776,552,861,490,216,960/66,190,138,813.40
  6. Step 6: Final answer
    x = 45,486,784,086.52

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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.