Home / 75,459,849.95-104,135,030.06-42,419,809.82

Finding the Fourth Proportional to 75,459,849.95, 104,135,030.06 and 42,419,809.82

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Solution

The fourth proportional to 75,459,849.95, 104,135,030.06 and 42,419,809.82 is: 58,539,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459,849.95 : 104,135,030.06 = 42,419,809.82 : x
  2. Step 2: Convert to fraction form
    75,459,849.95/104,135,030.06 = 42,419,809.82/x
  3. Step 3: Cross multiply
    75,459,849.95x = 104,135,030.06 × 42,419,809.82
  4. Step 4: Simplify right side
    75,459,849.95x = 4,417,388,170,793,422
  5. Step 5: Solve for x
    x = 4,417,388,170,793,422/75,459,849.95
  6. Step 6: Final answer
    x = 58,539,583.28

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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.