Home / 107,446,985.60-161,111,380.80-73,406,768

Finding the Fourth Proportional to 107,446,985.60, 161,111,380.80 and 73,406,768

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Solution

The fourth proportional to 107,446,985.60, 161,111,380.80 and 73,406,768 is: 110,069,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,446,985.60 : 161,111,380.80 = 73,406,768 : x
  2. Step 2: Convert to fraction form
    107,446,985.60/161,111,380.80 = 73,406,768/x
  3. Step 3: Cross multiply
    107,446,985.60x = 161,111,380.80 × 73,406,768
  4. Step 4: Simplify right side
    107,446,985.60x = 11,826,665,752,545,256
  5. Step 5: Solve for x
    x = 11,826,665,752,545,256/107,446,985.60
  6. Step 6: Final answer
    x = 110,069,777.08

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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.