Home / 68,931,961,093.40-103,253,141,366.94-43,736,709,036.20

Finding the Fourth Proportional to 68,931,961,093.40, 103,253,141,366.94 and 43,736,709,036.20

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Solution

The fourth proportional to 68,931,961,093.40, 103,253,141,366.94 and 43,736,709,036.20 is: 65,513,189,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,931,961,093.40 : 103,253,141,366.94 = 43,736,709,036.20 : x
  2. Step 2: Convert to fraction form
    68,931,961,093.40/103,253,141,366.94 = 43,736,709,036.20/x
  3. Step 3: Cross multiply
    68,931,961,093.40x = 103,253,141,366.94 × 43,736,709,036.20
  4. Step 4: Simplify right side
    68,931,961,093.40x = 4,515,952,601,039,480,291,328
  5. Step 5: Solve for x
    x = 4,515,952,601,039,480,291,328/68,931,961,093.40
  6. Step 6: Final answer
    x = 65,513,189,083.95

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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.