Home / 107,799,346.40-161,699,019.60-53,927,218.40

Finding the Fourth Proportional to 107,799,346.40, 161,699,019.60 and 53,927,218.40

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Solution

The fourth proportional to 107,799,346.40, 161,699,019.60 and 53,927,218.40 is: 80,890,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,799,346.40 : 161,699,019.60 = 53,927,218.40 : x
  2. Step 2: Convert to fraction form
    107,799,346.40/161,699,019.60 = 53,927,218.40/x
  3. Step 3: Cross multiply
    107,799,346.40x = 161,699,019.60 × 53,927,218.40
  4. Step 4: Simplify right side
    107,799,346.40x = 8,719,978,345,035,080
  5. Step 5: Solve for x
    x = 8,719,978,345,035,080/107,799,346.40
  6. Step 6: Final answer
    x = 80,890,827.60

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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.