Home / 107,841,763.60-161,762,645.40-80,967,907.60

Finding the Fourth Proportional to 107,841,763.60, 161,762,645.40 and 80,967,907.60

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Solution

The fourth proportional to 107,841,763.60, 161,762,645.40 and 80,967,907.60 is: 121,451,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,763.60 : 161,762,645.40 = 80,967,907.60 : x
  2. Step 2: Convert to fraction form
    107,841,763.60/161,762,645.40 = 80,967,907.60/x
  3. Step 3: Cross multiply
    107,841,763.60x = 161,762,645.40 × 80,967,907.60
  4. Step 4: Simplify right side
    107,841,763.60x = 13,097,582,925,878,764
  5. Step 5: Solve for x
    x = 13,097,582,925,878,764/107,841,763.60
  6. Step 6: Final answer
    x = 121,451,861.40

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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.