Home / 43,843,261.60-65,764,892.40-21,168,445.60

Finding the Fourth Proportional to 43,843,261.60, 65,764,892.40 and 21,168,445.60

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Solution

The fourth proportional to 43,843,261.60, 65,764,892.40 and 21,168,445.60 is: 31,752,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843,261.60 : 65,764,892.40 = 21,168,445.60 : x
  2. Step 2: Convert to fraction form
    43,843,261.60/65,764,892.40 = 21,168,445.60/x
  3. Step 3: Cross multiply
    43,843,261.60x = 65,764,892.40 × 21,168,445.60
  4. Step 4: Simplify right side
    43,843,261.60x = 1,392,140,547,159,253.50
  5. Step 5: Solve for x
    x = 1,392,140,547,159,253.50/43,843,261.60
  6. Step 6: Final answer
    x = 31,752,668.40

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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.