Home / 74,604,445.12-102,951,720.58-42,819,846.78

Finding the Fourth Proportional to 74,604,445.12, 102,951,720.58 and 42,819,846.78

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Solution

The fourth proportional to 74,604,445.12, 102,951,720.58 and 42,819,846.78 is: 59,090,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604,445.12 : 102,951,720.58 = 42,819,846.78 : x
  2. Step 2: Convert to fraction form
    74,604,445.12/102,951,720.58 = 42,819,846.78/x
  3. Step 3: Cross multiply
    74,604,445.12x = 102,951,720.58 × 42,819,846.78
  4. Step 4: Simplify right side
    74,604,445.12x = 4,408,376,900,972,973
  5. Step 5: Solve for x
    x = 4,408,376,900,972,973/74,604,445.12
  6. Step 6: Final answer
    x = 59,090,003.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.