Home / 107,405,784.80-161,108,677.20-30,731,314.40

Finding the Fourth Proportional to 107,405,784.80, 161,108,677.20 and 30,731,314.40

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Solution

The fourth proportional to 107,405,784.80, 161,108,677.20 and 30,731,314.40 is: 46,096,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,405,784.80 : 161,108,677.20 = 30,731,314.40 : x
  2. Step 2: Convert to fraction form
    107,405,784.80/161,108,677.20 = 30,731,314.40/x
  3. Step 3: Cross multiply
    107,405,784.80x = 161,108,677.20 × 30,731,314.40
  4. Step 4: Simplify right side
    107,405,784.80x = 4,951,081,411,601,311
  5. Step 5: Solve for x
    x = 4,951,081,411,601,311/107,405,784.80
  6. Step 6: Final answer
    x = 46,096,971.60

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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.