Home / 42,465,377.79-63,687,568.95-18,201,553.20

Finding the Fourth Proportional to 42,465,377.79, 63,687,568.95 and 18,201,553.20

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Solution

The fourth proportional to 42,465,377.79, 63,687,568.95 and 18,201,553.20 is: 27,297,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,465,377.79 : 63,687,568.95 = 18,201,553.20 : x
  2. Step 2: Convert to fraction form
    42,465,377.79/63,687,568.95 = 18,201,553.20/x
  3. Step 3: Cross multiply
    42,465,377.79x = 63,687,568.95 × 18,201,553.20
  4. Step 4: Simplify right side
    42,465,377.79x = 1,159,212,674,422,093.25
  5. Step 5: Solve for x
    x = 1,159,212,674,422,093.25/42,465,377.79
  6. Step 6: Final answer
    x = 27,297,830.25

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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.