Home / 68,624,943,705.60-94,684,834,442.88-40,062,185,834.64

Finding the Fourth Proportional to 68,624,943,705.60, 94,684,834,442.88 and 40,062,185,834.64

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Solution

The fourth proportional to 68,624,943,705.60, 94,684,834,442.88 and 40,062,185,834.64 is: 55,275,548,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,624,943,705.60 : 94,684,834,442.88 = 40,062,185,834.64 : x
  2. Step 2: Convert to fraction form
    68,624,943,705.60/94,684,834,442.88 = 40,062,185,834.64/x
  3. Step 3: Cross multiply
    68,624,943,705.60x = 94,684,834,442.88 × 40,062,185,834.64
  4. Step 4: Simplify right side
    68,624,943,705.60x = 3,793,281,433,172,780,777,472
  5. Step 5: Solve for x
    x = 3,793,281,433,172,780,777,472/68,624,943,705.60
  6. Step 6: Final answer
    x = 55,275,548,923.52

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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.