Home / 165,804,548.60-248,704,490.10-74,927,991.80

Finding the Fourth Proportional to 165,804,548.60, 248,704,490.10 and 74,927,991.80

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Solution

The fourth proportional to 165,804,548.60, 248,704,490.10 and 74,927,991.80 is: 112,390,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,804,548.60 : 248,704,490.10 = 74,927,991.80 : x
  2. Step 2: Convert to fraction form
    165,804,548.60/248,704,490.10 = 74,927,991.80/x
  3. Step 3: Cross multiply
    165,804,548.60x = 248,704,490.10 × 74,927,991.80
  4. Step 4: Simplify right side
    165,804,548.60x = 18,634,927,994,835,980
  5. Step 5: Solve for x
    x = 18,634,927,994,835,980/165,804,548.60
  6. Step 6: Final answer
    x = 112,390,933.49

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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.