Home / 42,375,845,624.43-63,541,697,323.74-19,985,582,175.96

Finding the Fourth Proportional to 42,375,845,624.43, 63,541,697,323.74 and 19,985,582,175.96

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Solution

The fourth proportional to 42,375,845,624.43, 63,541,697,323.74 and 19,985,582,175.96 is: 29,967,963,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375,845,624.43 : 63,541,697,323.74 = 19,985,582,175.96 : x
  2. Step 2: Convert to fraction form
    42,375,845,624.43/63,541,697,323.74 = 19,985,582,175.96/x
  3. Step 3: Cross multiply
    42,375,845,624.43x = 63,541,697,323.74 × 19,985,582,175.96
  4. Step 4: Simplify right side
    42,375,845,624.43x = 1,269,917,813,463,583,293,440
  5. Step 5: Solve for x
    x = 1,269,917,813,463,583,293,440/42,375,845,624.43
  6. Step 6: Final answer
    x = 29,967,963,936.78

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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.