Home / 74,055,362.15-102,190,334.73-42,265,374.98

Finding the Fourth Proportional to 74,055,362.15, 102,190,334.73 and 42,265,374.98

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Solution

The fourth proportional to 74,055,362.15, 102,190,334.73 and 42,265,374.98 is: 58,322,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055,362.15 : 102,190,334.73 = 42,265,374.98 : x
  2. Step 2: Convert to fraction form
    74,055,362.15/102,190,334.73 = 42,265,374.98/x
  3. Step 3: Cross multiply
    74,055,362.15x = 102,190,334.73 × 42,265,374.98
  4. Step 4: Simplify right side
    74,055,362.15x = 4,319,112,816,695,167
  5. Step 5: Solve for x
    x = 4,319,112,816,695,167/74,055,362.15
  6. Step 6: Final answer
    x = 58,322,755.99

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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.