Home / 67,998,671.10-101,942,427.69-31,629,735.90

Finding the Fourth Proportional to 67,998,671.10, 101,942,427.69 and 31,629,735.90

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Solution

The fourth proportional to 67,998,671.10, 101,942,427.69 and 31,629,735.90 is: 47,418,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,998,671.10 : 101,942,427.69 = 31,629,735.90 : x
  2. Step 2: Convert to fraction form
    67,998,671.10/101,942,427.69 = 31,629,735.90/x
  3. Step 3: Cross multiply
    67,998,671.10x = 101,942,427.69 × 31,629,735.90
  4. Step 4: Simplify right side
    67,998,671.10x = 3,224,412,064,839,547
  5. Step 5: Solve for x
    x = 3,224,412,064,839,547/67,998,671.10
  6. Step 6: Final answer
    x = 47,418,751.17

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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.