Home / 99,575,686.41-149,278,335.44-38,208,883.56

Finding the Fourth Proportional to 99,575,686.41, 149,278,335.44 and 38,208,883.56

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Solution

The fourth proportional to 99,575,686.41, 149,278,335.44 and 38,208,883.56 is: 57,280,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,575,686.41 : 149,278,335.44 = 38,208,883.56 : x
  2. Step 2: Convert to fraction form
    99,575,686.41/149,278,335.44 = 38,208,883.56/x
  3. Step 3: Cross multiply
    99,575,686.41x = 149,278,335.44 × 38,208,883.56
  4. Step 4: Simplify right side
    99,575,686.41x = 5,703,758,536,666,537
  5. Step 5: Solve for x
    x = 5,703,758,536,666,537/99,575,686.41
  6. Step 6: Final answer
    x = 57,280,634.88

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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.