Home / 107,841,837.60-161,762,756.40-80,967,981.60

Finding the Fourth Proportional to 107,841,837.60, 161,762,756.40 and 80,967,981.60

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Solution

The fourth proportional to 107,841,837.60, 161,762,756.40 and 80,967,981.60 is: 121,451,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,837.60 : 161,762,756.40 = 80,967,981.60 : x
  2. Step 2: Convert to fraction form
    107,841,837.60/161,762,756.40 = 80,967,981.60/x
  3. Step 3: Cross multiply
    107,841,837.60x = 161,762,756.40 × 80,967,981.60
  4. Step 4: Simplify right side
    107,841,837.60x = 13,097,603,883,760,482
  5. Step 5: Solve for x
    x = 13,097,603,883,760,482/107,841,837.60
  6. Step 6: Final answer
    x = 121,451,972.40

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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.