Home / 68,931,960,980.40-103,253,141,198.64-43,736,708,923.44

Finding the Fourth Proportional to 68,931,960,980.40, 103,253,141,198.64 and 43,736,708,923.44

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Solution

The fourth proportional to 68,931,960,980.40, 103,253,141,198.64 and 43,736,708,923.44 is: 65,513,188,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,931,960,980.40 : 103,253,141,198.64 = 43,736,708,923.44 : x
  2. Step 2: Convert to fraction form
    68,931,960,980.40/103,253,141,198.64 = 43,736,708,923.44/x
  3. Step 3: Cross multiply
    68,931,960,980.40x = 103,253,141,198.64 × 43,736,708,923.44
  4. Step 4: Simplify right side
    68,931,960,980.40x = 4,515,952,582,035,768,868,864
  5. Step 5: Solve for x
    x = 4,515,952,582,035,768,868,864/68,931,960,980.40
  6. Step 6: Final answer
    x = 65,513,188,915.66

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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.