Home / 107,456,003.60-161,184,005.40-77,446,864.40

Finding the Fourth Proportional to 107,456,003.60, 161,184,005.40 and 77,446,864.40

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Solution

The fourth proportional to 107,456,003.60, 161,184,005.40 and 77,446,864.40 is: 116,170,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,456,003.60 : 161,184,005.40 = 77,446,864.40 : x
  2. Step 2: Convert to fraction form
    107,456,003.60/161,184,005.40 = 77,446,864.40/x
  3. Step 3: Cross multiply
    107,456,003.60x = 161,184,005.40 × 77,446,864.40
  4. Step 4: Simplify right side
    107,456,003.60x = 12,483,195,809,662,670
  5. Step 5: Solve for x
    x = 12,483,195,809,662,670/107,456,003.60
  6. Step 6: Final answer
    x = 116,170,296.60

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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.